655640014 has 16 divisors (see below), whose sum is σ = 996930000. Its totient is φ = 323357184.

The previous prime is 655640009. The next prime is 655640023. The reversal of 655640014 is 410046556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42862 + ... + 56110.

It is an arithmetic number, because the mean of its divisors is an integer number (62308125).

Almost surely, 2^655640014 is an apocalyptic number.

655640014 is a deficient number, since it is larger than the sum of its proper divisors (341289986).

655640014 is a wasteful number, since it uses less digits than its factorization.

655640014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13587.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 655640014 is about 25605.4684393783. The cubic root of 655640014 is about 868.7373298085.

The spelling of 655640014 in words is "six hundred fifty-five million, six hundred forty thousand, fourteen".