35661092367661 has 4 divisors (see below), whose sum is σ = 36245700439324. Its totient is φ = 35076484296000.

The previous prime is 35661092367601. The next prime is 35661092367673. The reversal of 35661092367661 is 16676329016653.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15860425725225 + 19800666642436 = 3982515^2 + 4449794^2 .

It is a cyclic number.

It is not a de Polignac number, because 35661092367661 - 2¹³ = 35661092359469 is a prime.

It is a super-2 number, since 2×35661092367661² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61), and also a Moran number because the ratio is a prime number: 584608071601 = 35661092367661 / (3 + 5 + 6 + 6 + 1 + 0 + 9 + 2 + 3 + 6 + 7 + 6 + 6 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 35661092367661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35661092367601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292304035740 + ... + 292304035861.

It is an arithmetic number, because the mean of its divisors is an integer number (9061425109831).

Almost surely, 2^{35661092367661} is an apocalyptic number.

It is an amenable number.

35661092367661 is a deficient number, since it is larger than the sum of its proper divisors (584608071663).

35661092367661 is an equidigital number, since it uses as much as digits as its factorization.

35661092367661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584608071662.

The product of its (nonzero) digits is 44089920, while the sum is 61.

The spelling of 35661092367661 in words is "thirty-five trillion, six hundred sixty-one billion, ninety-two million, three hundred sixty-seven thousand, six hundred sixty-one".