166160590 has 16 divisors (see below), whose sum is σ = 303302880. Its totient is φ = 65527840.

The previous prime is 166160573. The next prime is 166160591. The reversal of 166160590 is 95061661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166160591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116305 + ... + 117724.

It is an arithmetic number, because the mean of its divisors is an integer number (18956430).

Almost surely, 2^166160590 is an apocalyptic number.

166160590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166160590 is a deficient number, since it is larger than the sum of its proper divisors (137142290).

166160590 is a wasteful number, since it uses less digits than its factorization.

166160590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234107.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 166160590 is about 12890.3293208513. The cubic root of 166160590 is about 549.7636339719.

The spelling of 166160590 in words is "one hundred sixty-six million, one hundred sixty thousand, five hundred ninety".