166651322 has 16 divisors (see below), whose sum is σ = 253124352. Its totient is φ = 82281360.

The previous prime is 166651297. The next prime is 166651349. The reversal of 166651322 is 223156661.

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, 87848 + ... + 89724.

It is an arithmetic number, because the mean of its divisors is an integer number (15820272).

Almost surely, 2^166651322 is an apocalyptic number.

166651322 is a deficient number, since it is larger than the sum of its proper divisors (86473030).

166651322 is a wasteful number, since it uses less digits than its factorization.

166651322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413.

The product of its digits is 12960, while the sum is 32.

The square root of 166651322 is about 12909.3501772940. The cubic root of 166651322 is about 550.3043186398.

The spelling of 166651322 in words is "one hundred sixty-six million, six hundred fifty-one thousand, three hundred twenty-two".