19136797158 has 32 divisors (see below), whose sum is σ = 39330547200. Its totient is φ = 6202971360.

The previous prime is 19136797129. The next prime is 19136797171. The reversal of 19136797158 is 85179763191.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19136797098 and 19136797107.

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, 378243 + ... + 425841.

It is an arithmetic number, because the mean of its divisors is an integer number (1229079600).

Almost surely, 2^19136797158 is an apocalyptic number.

19136797158 is an abundant number, since it is smaller than the sum of its proper divisors (20193750042).

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

19136797158 is a wasteful number, since it uses less digits than its factorization.

19136797158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49452.

The product of its digits is 2857680, while the sum is 57.

The spelling of 19136797158 in words is "nineteen billion, one hundred thirty-six million, seven hundred ninety-seven thousand, one hundred fifty-eight".