32607665551 has 4 divisors (see below), whose sum is σ = 32611165704. Its totient is φ = 32604165400.

The previous prime is 32607665543. The next prime is 32607665591. The reversal of 32607665551 is 15556670623.

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

It is a cyclic number.

It is not a de Polignac number, because 32607665551 - 2³ = 32607665543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32607665591) 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, 1736065 + ... + 1754746.

It is an arithmetic number, because the mean of its divisors is an integer number (8152791426).

Almost surely, 2^32607665551 is an apocalyptic number.

32607665551 is a deficient number, since it is larger than the sum of its proper divisors (3500153).

32607665551 is an equidigital number, since it uses as much as digits as its factorization.

32607665551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500152.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 32607665551 in words is "thirty-two billion, six hundred seven million, six hundred sixty-five thousand, five hundred fifty-one".