156866388480 has 800 divisors, whose sum is σ = 605756371968. Its totient is φ = 38685081600.

The previous prime is 156866388467. The next prime is 156866388517. The reversal of 156866388480 is 84883668651.

156866388480 is a `hidden beast` number, since 1 + 5 + 68 + 66 + 38 + 8 + 480 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 147847150 + ... + 147848210.

Almost surely, 2^156866388480 is an apocalyptic number.

156866388480 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 156866388480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302878185984).

156866388480 is an abundant number, since it is smaller than the sum of its proper divisors (448889983488).

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

156866388480 is a wasteful number, since it uses less digits than its factorization.

156866388480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 63.

The spelling of 156866388480 in words is "one hundred fifty-six billion, eight hundred sixty-six million, three hundred eighty-eight thousand, four hundred eighty".