19751364164 has 12 divisors (see below), whose sum is σ = 39502728384. Its totient is φ = 8464870344.

The previous prime is 19751364121. The next prime is 19751364173. The reversal of 19751364164 is 46146315791.

19751364164 is an admirable number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352702904 + ... + 352702959.

It is an arithmetic number, because the mean of its divisors is an integer number (3291894032).

Almost surely, 2^19751364164 is an apocalyptic number.

19751364164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19751364164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19751364164 is a wasteful number, since it uses less digits than its factorization.

19751364164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705405874 (or 705405872 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The spelling of 19751364164 in words is "nineteen billion, seven hundred fifty-one million, three hundred sixty-four thousand, one hundred sixty-four".