32161392942 has 32 divisors (see below), whose sum is σ = 75012000000. Its totient is φ = 9188968824.

The previous prime is 32161392877. The next prime is 32161392943. The reversal of 32161392942 is 24929316123.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 32161392894 and 32161392903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32161392943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7811692 + ... + 7815807.

It is an arithmetic number, because the mean of its divisors is an integer number (2344125000).

Almost surely, 2^32161392942 is an apocalyptic number.

32161392942 is an abundant number, since it is smaller than the sum of its proper divisors (42850607058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32161392942 is a wasteful number, since it uses less digits than its factorization.

32161392942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15627525 (or 15627511 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The spelling of 32161392942 in words is "thirty-two billion, one hundred sixty-one million, three hundred ninety-two thousand, nine hundred forty-two".