16695740944 has 15 divisors (see below), whose sum is σ = 32348999503. Its totient is φ = 8347612048.

The previous prime is 16695740939. The next prime is 16695740969. The reversal of 16695740944 is 44904759661.

The square root of 16695740944 is 129212.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×16695740944² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 500697 + ... + 532999.

Almost surely, 2^16695740944 is an apocalyptic number.

16695740944 is the 129212-nd square number.

It is an amenable number.

16695740944 is a deficient number, since it is larger than the sum of its proper divisors (15653258559).

16695740944 is an frugal number, since it uses more digits than its factorization.

16695740944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64614 (or 32305 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 16695740944 in words is "sixteen billion, six hundred ninety-five million, seven hundred forty thousand, nine hundred forty-four".