156193960 has 64 divisors (see below), whose sum is σ = 400755600. Its totient is φ = 54276096.

The previous prime is 156193957. The next prime is 156193963. The reversal of 156193960 is 69391651.

It is an interprime number because it is at equal distance from previous prime (156193957) and next prime (156193963).

It can be written as a sum of positive squares in 8 ways, for example, as 36554116 + 119639844 = 6046^2 + 10938^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (156193963) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6 + ... + 17674.

Almost surely, 2^156193960 is an apocalyptic number.

156193960 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 156193960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200377800).

156193960 is an abundant number, since it is smaller than the sum of its proper divisors (244561640).

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

156193960 is a wasteful number, since it uses less digits than its factorization.

156193960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17710 (or 17706 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 156193960 is about 12497.7581989731. The cubic root of 156193960 is about 538.5442730643.

The spelling of 156193960 in words is "one hundred fifty-six million, one hundred ninety-three thousand, nine hundred sixty".