220166512 has 10 divisors (see below), whose sum is σ = 426572648. Its totient is φ = 110083248.

The previous prime is 220166501. The next prime is 220166519. The reversal of 220166512 is 215661022.

It is a super-2 number, since 2×220166512² = 96946586012492288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220166519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6880188 + ... + 6880219.

Almost surely, 2^220166512 is an apocalyptic number.

It is an amenable number.

220166512 is a deficient number, since it is larger than the sum of its proper divisors (206406136).

220166512 is a wasteful number, since it uses less digits than its factorization.

220166512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13760415 (or 13760409 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 220166512 is about 14838.0090308639. The cubic root of 220166512 is about 603.8333385181.

The spelling of 220166512 in words is "two hundred twenty million, one hundred sixty-six thousand, five hundred twelve".