16690589532 has 36 divisors (see below), whose sum is σ = 42905193240. Its totient is φ = 5469232032.

The previous prime is 16690589527. The next prime is 16690589533. The reversal of 16690589532 is 23598509661.

It is a happy number.

16690589532 is a `hidden beast` number, since 1 + 6 + 6 + 9 + 0 + 589 + 53 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16690589533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3926923 + ... + 3931170.

Almost surely, 2^16690589532 is an apocalyptic number.

16690589532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16690589532 is an abundant number, since it is smaller than the sum of its proper divisors (26214603708).

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

16690589532 is a wasteful number, since it uses less digits than its factorization.

16690589532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858162 (or 7858157 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 16690589532 in words is "sixteen billion, six hundred ninety million, five hundred eighty-nine thousand, five hundred thirty-two".