157166706 has 32 divisors (see below), whose sum is σ = 319552128. Its totient is φ = 51526400.

The previous prime is 157166699. The next prime is 157166729. The reversal of 157166706 is 607661751.

157166706 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100426 + ... + 101978.

It is an arithmetic number, because the mean of its divisors is an integer number (9986004).

Almost surely, 2^157166706 is an apocalyptic number.

157166706 is an abundant number, since it is smaller than the sum of its proper divisors (162385422).

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

157166706 is a wasteful number, since it uses less digits than its factorization.

157166706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 157166706 is about 12536.6146147993. The cubic root of 157166706 is about 539.6599436503.

It can be divided in two parts, 15716 and 6706, that added together give a palindrome (22422).

The spelling of 157166706 in words is "one hundred fifty-seven million, one hundred sixty-six thousand, seven hundred six".