157658424192 has 128 divisors (see below), whose sum is σ = 465512455200. Its totient is φ = 52530094080.

The previous prime is 157658424173. The next prime is 157658424199. The reversal of 157658424192 is 291424856751.

157658424192 is a `hidden beast` number, since 1 + 57 + 6 + 584 + 2 + 4 + 1 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×157658424192² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157658424199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9243192 + ... + 9260232.

Almost surely, 2^157658424192 is an apocalyptic number.

157658424192 is a gapful number since it is divisible by the number (12) 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 157658424192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232756227600).

157658424192 is an abundant number, since it is smaller than the sum of its proper divisors (307854031008).

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

157658424192 is a wasteful number, since it uses less digits than its factorization.

157658424192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19741 (or 19723 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 157658424192 in words is "one hundred fifty-seven billion, six hundred fifty-eight million, four hundred twenty-four thousand, one hundred ninety-two".