6001999164 has 36 divisors (see below), whose sum is σ = 17339109424. Its totient is φ = 1714856832.

The previous prime is 6001999147. The next prime is 6001999183. The reversal of 6001999164 is 4619991006.

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

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, 11908477 + ... + 11908980.

Almost surely, 2^6001999164 is an apocalyptic number.

It is an amenable number.

6001999164 is an abundant number, since it is smaller than the sum of its proper divisors (11337110260).

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

6001999164 is a wasteful number, since it uses less digits than its factorization.

6001999164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23817474 (or 23817469 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 6001999164 is about 77472.5703975284. The cubic root of 6001999164 is about 1817.3223883144.

The spelling of 6001999164 in words is "six billion, one million, nine hundred ninety-nine thousand, one hundred sixty-four".