156487968 has 216 divisors, whose sum is σ = 558141948. Its totient is φ = 41223168.

The previous prime is 156487967. The next prime is 156487999. The reversal of 156487968 is 869784651.

156487968 is a `hidden beast` number, since 1 + 564 + 8 + 79 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 124813584 + 31674384 = 11172^2 + 5628^2 .

Its product of digits (2903040) is a multiple of the sum of its prime factors (896).

It is not an unprimeable number, because it can be changed into a prime (156487967) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 183030 + ... + 183882.

Almost surely, 2^156487968 is an apocalyptic number.

156487968 is a gapful number since it is divisible by the number (18) 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 156487968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279070974).

156487968 is an abundant number, since it is smaller than the sum of its proper divisors (401653980).

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

156487968 is a wasteful number, since it uses less digits than its factorization.

156487968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 878 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 156487968 is about 12509.5150985160. The cubic root of 156487968 is about 538.8819666207.

The spelling of 156487968 in words is "one hundred fifty-six million, four hundred eighty-seven thousand, nine hundred sixty-eight".