156320066 has 32 divisors (see below), whose sum is σ = 284653440. Its totient is φ = 62850816.

The previous prime is 156320057. The next prime is 156320069. The reversal of 156320066 is 660023651.

156320066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (156320069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89336 + ... + 91068.

It is an arithmetic number, because the mean of its divisors is an integer number (8895420).

Almost surely, 2^156320066 is an apocalyptic number.

156320066 is a deficient number, since it is larger than the sum of its proper divisors (128333374).

156320066 is a wasteful number, since it uses less digits than its factorization.

156320066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 156320066 is about 12502.8023258788. The cubic root of 156320066 is about 538.6891685416.

The spelling of 156320066 in words is "one hundred fifty-six million, three hundred twenty thousand, sixty-six".