16620436523532 has 48 divisors (see below), whose sum is σ = 40823795936000. Its totient is φ = 5248344041280.

The previous prime is 16620436523527. The next prime is 16620436523539. The reversal of 16620436523532 is 23532563402661.

It is not an unprimeable number, because it can be changed into a prime (16620436523539) 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, 4136094 + ... + 7095642.

Almost surely, 2^{16620436523532} is an apocalyptic number.

16620436523532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16620436523532 is an abundant number, since it is smaller than the sum of its proper divisors (24203359412468).

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

16620436523532 is a wasteful number, since it uses less digits than its factorization.

16620436523532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984206 (or 2984204 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 16620436523532 in words is "sixteen trillion, six hundred twenty billion, four hundred thirty-six million, five hundred twenty-three thousand, five hundred thirty-two".