166598012 has 12 divisors (see below), whose sum is σ = 333196080. Its totient is φ = 71399136.

The previous prime is 166597967. The next prime is 166598017. The reversal of 166598012 is 210895661.

166598012 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166598017) 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, 2974937 + ... + 2974992.

It is an arithmetic number, because the mean of its divisors is an integer number (27766340).

Almost surely, 2^166598012 is an apocalyptic number.

It is an amenable number.

166598012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166598012 is a wasteful number, since it uses less digits than its factorization.

166598012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5949940 (or 5949938 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 166598012 is about 12907.2852296678. The cubic root of 166598012 is about 550.2456335328.

The spelling of 166598012 in words is "one hundred sixty-six million, five hundred ninety-eight thousand, twelve".