166660522 has 16 divisors (see below), whose sum is σ = 286097472. Its totient is φ = 71327520.

The previous prime is 166660519. The next prime is 166660541. The reversal of 166660522 is 225066661.

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, 2833 + ... + 18475.

It is an arithmetic number, because the mean of its divisors is an integer number (17881092).

Almost surely, 2^166660522 is an apocalyptic number.

166660522 is a deficient number, since it is larger than the sum of its proper divisors (119436950).

166660522 is a wasteful number, since it uses less digits than its factorization.

166660522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 166660522 is about 12909.7065032479. The cubic root of 166660522 is about 550.3144449852.

The spelling of 166660522 in words is "one hundred sixty-six million, six hundred sixty thousand, five hundred twenty-two".