32663015641661 has 8 divisors (see below), whose sum is σ = 33152804004600. Its totient is φ = 32175955905280.

The previous prime is 32663015641651. The next prime is 32663015641673. The reversal of 32663015641661 is 16614651036623.

It can be written as a sum of positive squares in 4 ways, for example, as 209827208761 + 32453188432900 = 458069^2 + 5696770^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32663015641661 - 2¹⁸ = 32663015379517 is a prime.

It is a super-2 number, since 2×32663015641661² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32663015641601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682132520 + ... + 682180401.

It is an arithmetic number, because the mean of its divisors is an integer number (4144100500575).

Almost surely, 2^{32663015641661} is an apocalyptic number.

It is an amenable number.

32663015641661 is a deficient number, since it is larger than the sum of its proper divisors (489788362939).

32663015641661 is a wasteful number, since it uses less digits than its factorization.

32663015641661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364313279.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 32663015641661 in words is "thirty-two trillion, six hundred sixty-three billion, fifteen million, six hundred forty-one thousand, six hundred sixty-one".