156789516 has 48 divisors (see below), whose sum is σ = 395838464. Its totient is φ = 48015936.

The previous prime is 156789511. The next prime is 156789517. The reversal of 156789516 is 615987651.

It is not an unprimeable number, because it can be changed into a prime (156789511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32535 + ... + 37041.

Almost surely, 2^156789516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156789516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197919232).

156789516 is an abundant number, since it is smaller than the sum of its proper divisors (239048948).

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

156789516 is a wasteful number, since it uses less digits than its factorization.

156789516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4750 (or 4748 counting only the distinct ones).

The product of its digits is 453600, while the sum is 48.

The square root of 156789516 is about 12521.5620431318. The cubic root of 156789516 is about 539.2278814239.

The spelling of 156789516 in words is "one hundred fifty-six million, seven hundred eighty-nine thousand, five hundred sixteen".