16989763592 has 8 divisors (see below), whose sum is σ = 31855806750. Its totient is φ = 8494881792.

The previous prime is 16989763589. The next prime is 16989763597. The reversal of 16989763592 is 29536798961.

It can be written as a sum of positive squares in only one way, i.e., 10129617316 + 6860146276 = 100646^2 + 82826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (16989763597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061860217 + ... + 1061860232.

Almost surely, 2^16989763592 is an apocalyptic number.

It is an amenable number.

16989763592 is a deficient number, since it is larger than the sum of its proper divisors (14866043158).

16989763592 is a wasteful number, since it uses less digits than its factorization.

16989763592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123720455 (or 2123720451 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 65.

The spelling of 16989763592 in words is "sixteen billion, nine hundred eighty-nine million, seven hundred sixty-three thousand, five hundred ninety-two".