2756815164 has 36 divisors (see below), whose sum is σ = 6976138624. Its totient is φ = 917946432.

The previous prime is 2756815133. The next prime is 2756815169. The reversal of 2756815164 is 4615186572.

2756815164 is a `hidden beast` number, since 2 + 7 + 56 + 81 + 516 + 4 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2756815169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7132 + ... + 74595.

Almost surely, 2^2756815164 is an apocalyptic number.

It is an amenable number.

2756815164 is an abundant number, since it is smaller than the sum of its proper divisors (4219323460).

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

2756815164 is a wasteful number, since it uses less digits than its factorization.

2756815164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82674 (or 82669 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 2756815164 is about 52505.3822383953. The cubic root of 2756815164 is about 1402.1760655779.

The spelling of 2756815164 in words is "two billion, seven hundred fifty-six million, eight hundred fifteen thousand, one hundred sixty-four".