1979626160 has 20 divisors (see below), whose sum is σ = 4602631008. Its totient is φ = 791850432.

The previous prime is 1979626147. The next prime is 1979626177. The reversal of 1979626160 is 616269791.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 12372584 + ... + 12372743.

Almost surely, 2^1979626160 is an apocalyptic number.

1979626160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1979626160 is an abundant number, since it is smaller than the sum of its proper divisors (2623004848).

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

1979626160 is a wasteful number, since it uses less digits than its factorization.

1979626160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24745340 (or 24745334 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 1979626160 is about 44492.9900096633. The cubic root of 1979626160 is about 1255.6282014452.

The spelling of 1979626160 in words is "one billion, nine hundred seventy-nine million, six hundred twenty-six thousand, one hundred sixty".