166425116 has 36 divisors (see below), whose sum is σ = 344056104. Its totient is φ = 69825600.

The previous prime is 166425107. The next prime is 166425137. The reversal of 166425116 is 611524661.

It is a super-2 number, since 2×166425116² = 55394638471226912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3755 + ... + 18626.

It is an arithmetic number, because the mean of its divisors is an integer number (9557114).

Almost surely, 2^166425116 is an apocalyptic number.

It is an amenable number.

166425116 is an abundant number, since it is smaller than the sum of its proper divisors (177630988).

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

166425116 is a wasteful number, since it uses less digits than its factorization.

166425116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22422 (or 22407 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 166425116 is about 12900.5858781685. The cubic root of 166425116 is about 550.0552186984.

Adding to 166425116 its reverse (611524661), we get a palindrome (777949777).

The spelling of 166425116 in words is "one hundred sixty-six million, four hundred twenty-five thousand, one hundred sixteen".