156949996 has 12 divisors (see below), whose sum is σ = 313900048. Its totient is φ = 67264272.

The previous prime is 156949913. The next prime is 156949997. The reversal of 156949996 is 699949651.

156949996 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 156949996.

It is not an unprimeable number, because it can be changed into a prime (156949997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2802651 + ... + 2802706.

Almost surely, 2^156949996 is an apocalyptic number.

It is an amenable number.

156949996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

156949996 is a wasteful number, since it uses less digits than its factorization.

156949996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605368 (or 5605366 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 58.

The square root of 156949996 is about 12527.9685504075. The cubic root of 156949996 is about 539.4117920691.

The spelling of 156949996 in words is "one hundred fifty-six million, nine hundred forty-nine thousand, nine hundred ninety-six".