156668852 has 12 divisors (see below), whose sum is σ = 274314180. Its totient is φ = 78293376.

The previous prime is 156668849. The next prime is 156668867. The reversal of 156668852 is 258866651.

It is a happy number.

156668852 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 95140516 + 61528336 = 9754^2 + 7844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 156668797 and 156668806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 17714.

It is an arithmetic number, because the mean of its divisors is an integer number (22859515).

Almost surely, 2^156668852 is an apocalyptic number.

It is an amenable number.

156668852 is a deficient number, since it is larger than the sum of its proper divisors (117645328).

156668852 is a wasteful number, since it uses less digits than its factorization.

156668852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20530 (or 20528 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The square root of 156668852 is about 12516.7428670561. The cubic root of 156668852 is about 539.0895173862.

The spelling of 156668852 in words is "one hundred fifty-six million, six hundred sixty-eight thousand, eight hundred fifty-two".