166479798 has 16 divisors (see below), whose sum is σ = 341958960. Its totient is φ = 53993376.

The previous prime is 166479787. The next prime is 166479809. The reversal of 166479798 is 897974661.

It is an interprime number because it is at equal distance from previous prime (166479787) and next prime (166479809).

It is a congruent number.

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, 374733 + ... + 375176.

It is an arithmetic number, because the mean of its divisors is an integer number (21372435).

Almost surely, 2^166479798 is an apocalyptic number.

166479798 is an abundant number, since it is smaller than the sum of its proper divisors (175479162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166479798 is a wasteful number, since it uses less digits than its factorization.

166479798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749951.

The product of its digits is 4572288, while the sum is 57.

The square root of 166479798 is about 12902.7050652179. The cubic root of 166479798 is about 550.1154556517.

The spelling of 166479798 in words is "one hundred sixty-six million, four hundred seventy-nine thousand, seven hundred ninety-eight".