156540461504 has 84 divisors (see below), whose sum is σ = 363186594936. Its totient is φ = 66747953664.

The previous prime is 156540461503. The next prime is 156540461509. The reversal of 156540461504 is 405164045651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156540461503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491099 + ... + 744485.

Almost surely, 2^156540461504 is an apocalyptic number.

156540461504 is a gapful number since it is divisible by the number (14) 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 156540461504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181593297468).

156540461504 is an abundant number, since it is smaller than the sum of its proper divisors (206646133432).

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

156540461504 is a wasteful number, since it uses less digits than its factorization.

156540461504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253610 (or 253593 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 156540461504 in words is "one hundred fifty-six billion, five hundred forty million, four hundred sixty-one thousand, five hundred four".