36601361064661 has 4 divisors (see below), whose sum is σ = 36601607079712. Its totient is φ = 36601115049612.

The previous prime is 36601361064659. The next prime is 36601361064691. The reversal of 36601361064661 is 16646016310663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36601361064661 - 2¹ = 36601361064659 is a prime.

It is a super-2 number, since 2×36601361064661² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36601361064691) 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, 122784225 + ... + 123081958.

It is an arithmetic number, because the mean of its divisors is an integer number (9150401769928).

Almost surely, 2^{36601361064661} is an apocalyptic number.

It is an amenable number.

36601361064661 is a deficient number, since it is larger than the sum of its proper divisors (246015051).

36601361064661 is a wasteful number, since it uses less digits than its factorization.

36601361064661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246015050.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 36601361064661 in words is "thirty-six trillion, six hundred one billion, three hundred sixty-one million, sixty-four thousand, six hundred sixty-one".