15157794168 has 256 divisors, whose sum is σ = 46877875200. Its totient is φ = 4499712000.

The previous prime is 15157794151. The next prime is 15157794199. The reversal of 15157794168 is 86149775151.

15157794168 is a `hidden beast` number, since 1 + 5 + 1 + 577 + 9 + 4 + 1 + 68 = 666.

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

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 48738733 + ... + 48739043.

It is an arithmetic number, because the mean of its divisors is an integer number (183116700).

Almost surely, 2^15157794168 is an apocalyptic number.

15157794168 is a gapful number since it is divisible by the number (18) 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 15157794168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23438937600).

15157794168 is an abundant number, since it is smaller than the sum of its proper divisors (31720081032).

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

15157794168 is a wasteful number, since it uses less digits than its factorization.

15157794168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 681 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 54.

The spelling of 15157794168 in words is "fifteen billion, one hundred fifty-seven million, seven hundred ninety-four thousand, one hundred sixty-eight".