32161393446 has 32 divisors (see below), whose sum is σ = 79166508288. Its totient is φ = 8482125600.

The previous prime is 32161393391. The next prime is 32161393447. The reversal of 32161393446 is 64439316123.

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 = 32161393398 and 32161393407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32161393447) 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, 29451280 + ... + 29452371.

It is an arithmetic number, because the mean of its divisors is an integer number (2473953384).

Almost surely, 2^32161393446 is an apocalyptic number.

32161393446 is an abundant number, since it is smaller than the sum of its proper divisors (47005114842).

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

32161393446 is a wasteful number, since it uses less digits than its factorization.

32161393446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58903676.

The product of its digits is 279936, while the sum is 42.

The spelling of 32161393446 in words is "thirty-two billion, one hundred sixty-one million, three hundred ninety-three thousand, four hundred forty-six".