16640432546332 has 24 divisors (see below), whose sum is σ = 33332623861376. Its totient is φ = 7120522783728.

The previous prime is 16640432546299. The next prime is 16640432546333. The reversal of 16640432546332 is 23364523404661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16640432546333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462113538 + ... + 462149545.

Almost surely, 2^{16640432546332} is an apocalyptic number.

It is an amenable number.

16640432546332 is an abundant number, since it is smaller than the sum of its proper divisors (16692191315044).

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

16640432546332 is a wasteful number, since it uses less digits than its factorization.

16640432546332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924263737 (or 924263735 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 16640432546332 in words is "sixteen trillion, six hundred forty billion, four hundred thirty-two million, five hundred forty-six thousand, three hundred thirty-two".