16346745432 has 80 divisors (see below), whose sum is σ = 46191416040. Its totient is φ = 5400670464.

The previous prime is 16346745383. The next prime is 16346745451. The reversal of 16346745432 is 23454764361.

16346745432 is a `hidden beast` number, since 1 + 6 + 34 + 6 + 74 + 543 + 2 = 666.

It is a super-2 number, since 2×16346745432² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38398 + ... + 184845.

Almost surely, 2^16346745432 is an apocalyptic number.

16346745432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16346745432 is an abundant number, since it is smaller than the sum of its proper divisors (29844670608).

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

16346745432 is a wasteful number, since it uses less digits than its factorization.

16346745432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223374 (or 223361 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The spelling of 16346745432 in words is "sixteen billion, three hundred forty-six million, seven hundred forty-five thousand, four hundred thirty-two".