16253325432 has 64 divisors (see below), whose sum is σ = 45613629600. Its totient is φ = 5361914880.

The previous prime is 16253325419. The next prime is 16253325443. The reversal of 16253325432 is 23452335261.

16253325432 is a `hidden beast` number, since 1 + 62 + 53 + 3 + 2 + 543 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366919 + ... + 408822.

Almost surely, 2^16253325432 is an apocalyptic number.

16253325432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16253325432 is an abundant number, since it is smaller than the sum of its proper divisors (29360304168).

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

16253325432 is a wasteful number, since it uses less digits than its factorization.

16253325432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775853 (or 775843 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The spelling of 16253325432 in words is "sixteen billion, two hundred fifty-three million, three hundred twenty-five thousand, four hundred thirty-two".