655112018 has 32 divisors (see below), whose sum is σ = 1087067520. Its totient is φ = 293621760.

The previous prime is 655112011. The next prime is 655112021. The reversal of 655112018 is 810211556.

It is a super-2 number, since 2×655112018² = 858343512256064648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (655112011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615755 + ... + 616817.

It is an arithmetic number, because the mean of its divisors is an integer number (33970860).

Almost surely, 2^655112018 is an apocalyptic number.

655112018 is a deficient number, since it is larger than the sum of its proper divisors (431955502).

655112018 is a wasteful number, since it uses less digits than its factorization.

655112018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 655112018 is about 25595.1561433018. The cubic root of 655112018 is about 868.5040651052.

The spelling of 655112018 in words is "six hundred fifty-five million, one hundred twelve thousand, eighteen".