6164765978794 has 4 divisors (see below), whose sum is σ = 9247148968194. Its totient is φ = 3082382989396.

The previous prime is 6164765978753. The next prime is 6164765978831. The reversal of 6164765978794 is 4978795674616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3937791765769 + 2226974213025 = 1984387^2 + 1492305^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1541191494697 + ... + 1541191494700.

Almost surely, 2^{6164765978794} is an apocalyptic number.

6164765978794 is a deficient number, since it is larger than the sum of its proper divisors (3082382989400).

6164765978794 is a wasteful number, since it uses less digits than its factorization.

6164765978794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082382989399.

The product of its digits is 3840721920, while the sum is 79.

The spelling of 6164765978794 in words is "six trillion, one hundred sixty-four billion, seven hundred sixty-five million, nine hundred seventy-eight thousand, seven hundred ninety-four".