19156105192 has 16 divisors (see below), whose sum is σ = 41048796960. Its totient is φ = 8209759344.

The previous prime is 19156105181. The next prime is 19156105219. The reversal of 19156105192 is 29150165191.

It is a super-2 number, since 2×19156105192² (a number of 21 digits) contains 22 as substring.

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, 171036598 + ... + 171036709.

It is an arithmetic number, because the mean of its divisors is an integer number (2565549810).

Almost surely, 2^19156105192 is an apocalyptic number.

It is an amenable number.

19156105192 is an abundant number, since it is smaller than the sum of its proper divisors (21892691768).

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

19156105192 is a wasteful number, since it uses less digits than its factorization.

19156105192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342073320 (or 342073316 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 40.

The spelling of 19156105192 in words is "nineteen billion, one hundred fifty-six million, one hundred five thousand, one hundred ninety-two".