32161430448 has 120 divisors (see below), whose sum is σ = 103399135008. Its totient is φ = 9141313536.

The previous prime is 32161430423. The next prime is 32161430471. The reversal of 32161430448 is 84403416123.

32161430448 is a `hidden beast` number, since 3 + 2 + 1 + 614 + 30 + 4 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111886 + ... + 277202.

Almost surely, 2^32161430448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32161430448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51699567504).

32161430448 is an abundant number, since it is smaller than the sum of its proper divisors (71237704560).

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

32161430448 is a wasteful number, since it uses less digits than its factorization.

32161430448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165531 (or 165522 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 32161430448 in words is "thirty-two billion, one hundred sixty-one million, four hundred thirty thousand, four hundred forty-eight".