163078113156 has 48 divisors (see below), whose sum is σ = 439097078784. Its totient is φ = 46141377696.

The previous prime is 163078113109. The next prime is 163078113221. The reversal of 163078113156 is 651311870361.

It is a super-2 number, since 2×163078113156² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9415650 + ... + 9432953.

It is an arithmetic number, because the mean of its divisors is an integer number (9147855808).

Almost surely, 2^163078113156 is an apocalyptic number.

It is an amenable number.

163078113156 is an abundant number, since it is smaller than the sum of its proper divisors (276018965628).

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

163078113156 is a wasteful number, since it uses less digits than its factorization.

163078113156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18848720 (or 18848718 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 163078113156 in words is "one hundred sixty-three billion, seventy-eight million, one hundred thirteen thousand, one hundred fifty-six".