16190995764 has 12 divisors (see below), whose sum is σ = 37778990144. Its totient is φ = 5396998584.

The previous prime is 16190995753. The next prime is 16190995801. The reversal of 16190995764 is 46759909161.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×16190995764³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674624812 + ... + 674624835.

Almost surely, 2^16190995764 is an apocalyptic number.

It is an amenable number.

16190995764 is an abundant number, since it is smaller than the sum of its proper divisors (21587994380).

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

16190995764 is a wasteful number, since it uses less digits than its factorization.

16190995764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349249654 (or 1349249652 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 57.

The spelling of 16190995764 in words is "sixteen billion, one hundred ninety million, nine hundred ninety-five thousand, seven hundred sixty-four".