163158720 has 56 divisors (see below), whose sum is σ = 518031984. Its totient is φ = 43508736.

The previous prime is 163158703. The next prime is 163158767. The reversal of 163158720 is 27851361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84019 + ... + 85938.

Almost surely, 2^163158720 is an apocalyptic number.

163158720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163158720 is an abundant number, since it is smaller than the sum of its proper divisors (354873264).

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

163158720 is a wasteful number, since it uses less digits than its factorization.

163158720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169977 (or 169967 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 163158720 is about 12773.3597772865. The cubic root of 163158720 is about 546.4328036630.

It can be divided in two parts, 163158 and 720, that added together give a triangular number (163878 = T₅₇₂).

The spelling of 163158720 in words is "one hundred sixty-three million, one hundred fifty-eight thousand, seven hundred twenty".