16289090964 has 36 divisors (see below), whose sum is σ = 41671296576. Its totient is φ = 5364277968.

The previous prime is 16289090953. The next prime is 16289090971. The reversal of 16289090964 is 46909098261.

16289090964 is a `hidden beast` number, since 1 + 628 + 9 + 0 + 9 + 0 + 9 + 6 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16289090964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2722764 + ... + 2728739.

It is an arithmetic number, because the mean of its divisors is an integer number (1157536016).

Almost surely, 2^16289090964 is an apocalyptic number.

It is an amenable number.

16289090964 is an abundant number, since it is smaller than the sum of its proper divisors (25382205612).

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

16289090964 is a wasteful number, since it uses less digits than its factorization.

16289090964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451596 (or 5451591 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 16289090964 in words is "sixteen billion, two hundred eighty-nine million, ninety thousand, nine hundred sixty-four".