166396084 has 24 divisors (see below), whose sum is σ = 301883400. Its totient is φ = 80156160.

The previous prime is 166396079. The next prime is 166396093. The reversal of 166396084 is 480693661.

It can be written as a sum of positive squares in 4 ways, for example, as 4088484 + 162307600 = 2022^2 + 12740^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 166396084.

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, 64744 + ... + 67264.

It is an arithmetic number, because the mean of its divisors is an integer number (12578475).

Almost surely, 2^166396084 is an apocalyptic number.

It is an amenable number.

166396084 is a deficient number, since it is larger than the sum of its proper divisors (135487316).

166396084 is a wasteful number, since it uses less digits than its factorization.

166396084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123 (or 3121 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 166396084 is about 12899.4606088782. The cubic root of 166396084 is about 550.0232320765.

The spelling of 166396084 in words is "one hundred sixty-six million, three hundred ninety-six thousand, eighty-four".