156123066 has 32 divisors (see below), whose sum is σ = 352382400. Its totient is φ = 45678080.

The previous prime is 156123061. The next prime is 156123113. The reversal of 156123066 is 660321651.

It is not an unprimeable number, because it can be changed into a prime (156123061) 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 15 ways as a sum of consecutive naturals, for example, 38871 + ... + 42698.

It is an arithmetic number, because the mean of its divisors is an integer number (11011950).

Almost surely, 2^156123066 is an apocalyptic number.

156123066 is an abundant number, since it is smaller than the sum of its proper divisors (196259334).

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

156123066 is a wasteful number, since it uses less digits than its factorization.

156123066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81614.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 156123066 is about 12494.9216083975. The cubic root of 156123066 is about 538.4627817878.

The spelling of 156123066 in words is "one hundred fifty-six million, one hundred twenty-three thousand, sixty-six".