156440160 has 120 divisors (see below), whose sum is σ = 552149136. Its totient is φ = 41713920.

The previous prime is 156440147. The next prime is 156440177. The reversal of 156440160 is 61044651.

156440160 is a `hidden beast` number, since 1 + 5 + 644 + 0 + 16 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6925 + ... + 18995.

Almost surely, 2^156440160 is an apocalyptic number.

156440160 is a gapful number since it is divisible by the number (10) 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 156440160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276074568).

156440160 is an abundant number, since it is smaller than the sum of its proper divisors (395708976).

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

156440160 is a wasteful number, since it uses less digits than its factorization.

156440160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12098 (or 12081 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 156440160 is about 12507.6040871144. The cubic root of 156440160 is about 538.8270838217.

The spelling of 156440160 in words is "one hundred fifty-six million, four hundred forty thousand, one hundred sixty".