166857496 has 16 divisors (see below), whose sum is σ = 336924000. Its totient is φ = 77011104.

The previous prime is 166857491. The next prime is 166857497. The reversal of 166857496 is 694758661.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166857491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802096 + ... + 802303.

It is an arithmetic number, because the mean of its divisors is an integer number (21057750).

Almost surely, 2^166857496 is an apocalyptic number.

It is an amenable number.

166857496 is an abundant number, since it is smaller than the sum of its proper divisors (170066504).

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

166857496 is a wasteful number, since it uses less digits than its factorization.

166857496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604418 (or 1604414 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 166857496 is about 12917.3331612992. Note that the first 3 decimals coincide. The cubic root of 166857496 is about 550.5311628970.

The spelling of 166857496 in words is "one hundred sixty-six million, eight hundred fifty-seven thousand, four hundred ninety-six".