156808470 has 128 divisors (see below), whose sum is σ = 470292480. Its totient is φ = 32578560.

The previous prime is 156808451. The next prime is 156808511. The reversal of 156808470 is 74808651.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 193426 + ... + 194234.

It is an arithmetic number, because the mean of its divisors is an integer number (3674160).

Almost surely, 2^156808470 is an apocalyptic number.

156808470 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 156808470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235146240).

156808470 is an abundant number, since it is smaller than the sum of its proper divisors (313484010).

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

156808470 is a wasteful number, since it uses less digits than its factorization.

156808470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 156808470 is about 12522.3188747133. The cubic root of 156808470 is about 539.2496093083.

The spelling of 156808470 in words is "one hundred fifty-six million, eight hundred eight thousand, four hundred seventy".