2771180164 has 9 divisors (see below), whose sum is σ = 4849749541. Its totient is φ = 1385537440.

The previous prime is 2771180143. The next prime is 2771180171. The reversal of 2771180164 is 4610811772.

The square root of 2771180164 is 52642.

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

It can be written as a sum of positive squares in only one way, i.e., 2605285764 + 165894400 = 51042^2 + 12880^2 .

It is a super-3 number, since 3×2771180164³ (a number of 29 digits) contains 333 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, 92124 + ... + 118444.

Almost surely, 2^2771180164 is an apocalyptic number.

2771180164 is the 52642-nd square number.

It is an amenable number.

2771180164 is a deficient number, since it is larger than the sum of its proper divisors (2078569377).

2771180164 is an frugal number, since it uses more digits than its factorization.

2771180164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52646 (or 26323 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 37.

The cubic root of 2771180164 is about 1404.6072979563.

The spelling of 2771180164 in words is "two billion, seven hundred seventy-one million, one hundred eighty thousand, one hundred sixty-four".