32685216861 has 32 divisors (see below), whose sum is σ = 47702615040. Its totient is φ = 19742486400.

The previous prime is 32685216859. The next prime is 32685216899. The reversal of 32685216861 is 16861258623.

It is a happy number.

It is not a de Polignac number, because 32685216861 - 2¹ = 32685216859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32685216861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32685216841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22401750 + ... + 22403208.

It is an arithmetic number, because the mean of its divisors is an integer number (1490706720).

Almost surely, 2^32685216861 is an apocalyptic number.

It is an amenable number.

32685216861 is a deficient number, since it is larger than the sum of its proper divisors (15017398179).

32685216861 is a wasteful number, since it uses less digits than its factorization.

32685216861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297.

The product of its digits is 829440, while the sum is 48.

The spelling of 32685216861 in words is "thirty-two billion, six hundred eighty-five million, two hundred sixteen thousand, eight hundred sixty-one".