166213468 has 6 divisors (see below), whose sum is σ = 290873576. Its totient is φ = 83106732.

The previous prime is 166213457. The next prime is 166213483. The reversal of 166213468 is 864312661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20776680 + ... + 20776687.

Almost surely, 2^166213468 is an apocalyptic number.

It is an amenable number.

166213468 is a deficient number, since it is larger than the sum of its proper divisors (124660108).

166213468 is a wasteful number, since it uses less digits than its factorization.

166213468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41553371 (or 41553369 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 166213468 is about 12892.3802301980. The cubic root of 166213468 is about 549.8219456696.

The spelling of 166213468 in words is "one hundred sixty-six million, two hundred thirteen thousand, four hundred sixty-eight".