32856002164 has 24 divisors (see below), whose sum is σ = 58390196480. Its totient is φ = 16173374976.

The previous prime is 32856002131. The next prime is 32856002167. The reversal of 32856002164 is 46120065823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32856002167) 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, 436564 + ... + 506260.

Almost surely, 2^32856002164 is an apocalyptic number.

It is an amenable number.

32856002164 is a deficient number, since it is larger than the sum of its proper divisors (25534194316).

32856002164 is a wasteful number, since it uses less digits than its factorization.

32856002164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71527 (or 71525 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 32856002164 its reverse (46120065823), we get a palindrome (78976067987).

The spelling of 32856002164 in words is "thirty-two billion, eight hundred fifty-six million, two thousand, one hundred sixty-four".