166513930 has 32 divisors (see below), whose sum is σ = 332527680. Its totient is φ = 59521920.

The previous prime is 166513913. The next prime is 166513933. The reversal of 166513930 is 39315661.

166513930 is digitally balanced in base 2, 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 (166513933) 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, 6339 + ... + 19318.

It is an arithmetic number, because the mean of its divisors is an integer number (10391490).

Almost surely, 2^166513930 is an apocalyptic number.

166513930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166513930 is a deficient number, since it is larger than the sum of its proper divisors (166013750).

166513930 is a wasteful number, since it uses less digits than its factorization.

166513930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25734.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 166513930 is about 12904.0276658104. The cubic root of 166513930 is about 550.1530483164.

The spelling of 166513930 in words is "one hundred sixty-six million, five hundred thirteen thousand, nine hundred thirty".