166930970 has 16 divisors (see below), whose sum is σ = 310169088. Its totient is φ = 64618320.

The previous prime is 166930927. The next prime is 166930997. The reversal of 166930970 is 79039661.

It is a happy number.

166930970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268934 + ... + 269553.

It is an arithmetic number, because the mean of its divisors is an integer number (19385568).

Almost surely, 2^166930970 is an apocalyptic number.

166930970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166930970 is a deficient number, since it is larger than the sum of its proper divisors (143238118).

166930970 is a wasteful number, since it uses less digits than its factorization.

166930970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538525.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 166930970 is about 12920.1768563747. The cubic root of 166930970 is about 550.6119579704.

The spelling of 166930970 in words is "one hundred sixty-six million, nine hundred thirty thousand, nine hundred seventy".