19158942960 has 200 divisors, whose sum is σ = 69435511200. Its totient is φ = 4886880768.

The previous prime is 19158942941. The next prime is 19158942977. The reversal of 19158942960 is 6924985191.

19158942960 is a `hidden beast` number, since 1 + 9 + 158 + 9 + 429 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 19158942897 and 19158942906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 84766 + ... + 213314.

It is an arithmetic number, because the mean of its divisors is an integer number (347177556).

Almost surely, 2^19158942960 is an apocalyptic number.

19158942960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19158942960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34717755600).

19158942960 is an abundant number, since it is smaller than the sum of its proper divisors (50276568240).

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

19158942960 is a wasteful number, since it uses less digits than its factorization.

19158942960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128597 (or 128582 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 19158942960 in words is "nineteen billion, one hundred fifty-eight million, nine hundred forty-two thousand, nine hundred sixty".