2669558164 has 48 divisors (see below), whose sum is σ = 5883568768. Its totient is φ = 1031522688.

The previous prime is 2669558147. The next prime is 2669558173. The reversal of 2669558164 is 4618559662.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69627 + ... + 100930.

Almost surely, 2^2669558164 is an apocalyptic number.

It is an amenable number.

2669558164 is an abundant number, since it is smaller than the sum of its proper divisors (3214010604).

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

2669558164 is a wasteful number, since it uses less digits than its factorization.

2669558164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170624 (or 170622 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 52.

The square root of 2669558164 is about 51667.7671667743. The cubic root of 2669558164 is about 1387.2235807222.

The spelling of 2669558164 in words is "two billion, six hundred sixty-nine million, five hundred fifty-eight thousand, one hundred sixty-four".