166799882 has 8 divisors (see below), whose sum is σ = 250345956. Its totient is φ = 83351232.

The previous prime is 166799873. The next prime is 166799923. The reversal of 166799882 is 288997661.

It can be written as a sum of positive squares in 2 ways, for example, as 152744881 + 14055001 = 12359^2 + 3749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19913 + ... + 27020.

Almost surely, 2^166799882 is an apocalyptic number.

166799882 is a deficient number, since it is larger than the sum of its proper divisors (83546074).

166799882 is a wasteful number, since it uses less digits than its factorization.

166799882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48712.

The product of its digits is 2612736, while the sum is 56.

The square root of 166799882 is about 12915.1028644761. The cubic root of 166799882 is about 550.4677915481.

The spelling of 166799882 in words is "one hundred sixty-six million, seven hundred ninety-nine thousand, eight hundred eighty-two".