156533215230 has 384 divisors, whose sum is σ = 512200765440. Its totient is φ = 33577390080.

The previous prime is 156533215211. The next prime is 156533215249. The reversal of 156533215230 is 32512335651.

156533215230 is a `hidden beast` number, since 1 + 56 + 53 + 32 + 1 + 523 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (156533215211) and next prime (156533215249).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 150657051 + ... + 150658089.

It is an arithmetic number, because the mean of its divisors is an integer number (1333856160).

Almost surely, 2^156533215230 is an apocalyptic number.

156533215230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 156533215230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256100382720).

156533215230 is an abundant number, since it is smaller than the sum of its proper divisors (355667550210).

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

156533215230 is a wasteful number, since it uses less digits than its factorization.

156533215230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 156533215230 in words is "one hundred fifty-six billion, five hundred thirty-three million, two hundred fifteen thousand, two hundred thirty".