158163657456 has 480 divisors, whose sum is σ = 521944093440. Its totient is φ = 41000214528.

The previous prime is 158163657419. The next prime is 158163657473. The reversal of 158163657456 is 654756361851.

It is a Harshad number since it is a multiple of its sum of digits (57).

Its product of digits (18144000) is a multiple of the sum of its prime divisors (1680).

It is a junction number, because it is equal to n+sod(n) for n = 158163657396 and 158163657405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101843176 + ... + 101844728.

It is an arithmetic number, because the mean of its divisors is an integer number (1087383528).

Almost surely, 2^158163657456 is an apocalyptic number.

158163657456 is a gapful number since it is divisible by the number (16) 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 158163657456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260972046720).

158163657456 is an abundant number, since it is smaller than the sum of its proper divisors (363780435984).

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

158163657456 is a wasteful number, since it uses less digits than its factorization.

158163657456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1680 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 57.

The spelling of 158163657456 in words is "one hundred fifty-eight billion, one hundred sixty-three million, six hundred fifty-seven thousand, four hundred fifty-six".