156868 has 6 divisors (see below), whose sum is σ = 274526. Its totient is φ = 78432.

The previous prime is 156841. The next prime is 156887. The reversal of 156868 is 868651.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 107584 + 49284 = 328^2 + 222^2 .

It is a plaindrome in base 7.

It is an unprimeable number.

156868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19605 + ... + 19612.

2¹⁵⁶⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

156868 is a deficient number, since it is larger than the sum of its proper divisors (117658).

156868 is a wasteful number, since it uses less digits than its factorization.

156868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39221 (or 39219 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 156868 is about 396.0656511236. The cubic root of 156868 is about 53.9317840035.

It can be divided in two parts, 156 and 868, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 156868 in words is "one hundred fifty-six thousand, eight hundred sixty-eight".