166401676 has 24 divisors (see below), whose sum is σ = 343540736. Its totient is φ = 69014160.

The previous prime is 166401673. The next prime is 166401679. The reversal of 166401676 is 676104661.

166401676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166401673) and next prime (166401679).

It is not an unprimeable number, because it can be changed into a prime (166401673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94986 + ... + 96721.

Almost surely, 2^166401676 is an apocalyptic number.

It is an amenable number.

166401676 is an abundant number, since it is smaller than the sum of its proper divisors (177139060).

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

166401676 is a wasteful number, since it uses less digits than its factorization.

166401676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191749 (or 191747 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 166401676 is about 12899.6773603063. The cubic root of 166401676 is about 550.0293934704.

The spelling of 166401676 in words is "one hundred sixty-six million, four hundred one thousand, six hundred seventy-six".