156780652 has 24 divisors (see below), whose sum is σ = 313836320. Its totient is φ = 67132800.

The previous prime is 156780649. The next prime is 156780661. The reversal of 156780652 is 256087651.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48874 + ... + 51982.

Almost surely, 2^156780652 is an apocalyptic number.

It is an amenable number.

156780652 is an abundant number, since it is smaller than the sum of its proper divisors (157055668).

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

156780652 is a wasteful number, since it uses less digits than its factorization.

156780652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 156780652 is about 12521.2080886790. The cubic root of 156780652 is about 539.2177195922.

The spelling of 156780652 in words is "one hundred fifty-six million, seven hundred eighty thousand, six hundred fifty-two".