156668014 has 12 divisors (see below), whose sum is σ = 240188112. Its totient is φ = 76607940.

The previous prime is 156668003. The next prime is 156668033. The reversal of 156668014 is 410866651.

It is a super-2 number, since 2×156668014² = 49089733221408392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120709 + ... + 121999.

It is an arithmetic number, because the mean of its divisors is an integer number (20015676).

Almost surely, 2^156668014 is an apocalyptic number.

156668014 is a deficient number, since it is larger than the sum of its proper divisors (83520098).

156668014 is an frugal number, since it uses more digits than its factorization.

156668014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 156668014 is about 12516.7093918490. The cubic root of 156668014 is about 539.0885562128.

The spelling of 156668014 in words is "one hundred fifty-six million, six hundred sixty-eight thousand, fourteen".