156916241640 has 96 divisors (see below), whose sum is σ = 536818744800. Its totient is φ = 39641996160.

The previous prime is 156916241639. The next prime is 156916241641. The reversal of 156916241640 is 46142619651.

156916241640 is a `hidden beast` number, since 1 + 5 + 6 + 9 + 1 + 624 + 16 + 4 + 0 = 666.

156916241640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (156916241639) and next prime (156916241641).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (156916241641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11463646 + ... + 11477325.

It is an arithmetic number, because the mean of its divisors is an integer number (5591861925).

Almost surely, 2^156916241640 is an apocalyptic number.

156916241640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156916241640 is an abundant number, since it is smaller than the sum of its proper divisors (379902503160).

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

156916241640 is a wasteful number, since it uses less digits than its factorization.

156916241640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22941007 (or 22941000 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 156916241640 in words is "one hundred fifty-six billion, nine hundred sixteen million, two hundred forty-one thousand, six hundred forty".