2774458164 has 12 divisors (see below), whose sum is σ = 6473735744. Its totient is φ = 924819384.

The previous prime is 2774458153. The next prime is 2774458187. The reversal of 2774458164 is 4618544772.

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

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, 115602412 + ... + 115602435.

Almost surely, 2^2774458164 is an apocalyptic number.

It is an amenable number.

2774458164 is an abundant number, since it is smaller than the sum of its proper divisors (3699277580).

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

2774458164 is a wasteful number, since it uses less digits than its factorization.

2774458164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231204854 (or 231204852 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The square root of 2774458164 is about 52673.1256334765. The cubic root of 2774458164 is about 1405.1609114810.

The spelling of 2774458164 in words is "two billion, seven hundred seventy-four million, four hundred fifty-eight thousand, one hundred sixty-four".