655614090 has 36 divisors (see below), whose sum is σ = 1705228434. Its totient is φ = 174765648.

The previous prime is 655614083. The next prime is 655614097. The reversal of 655614090 is 90416556.

655614090 is a `hidden beast` number, since 6 + 5 + 561 + 4 + 0 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (655614083) and next prime (655614097).

It can be written as a sum of positive squares in only one way, i.e., 590052681 + 65561409 = 24291^2 + 8097^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (655614097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 241561 + ... + 244259.

Almost surely, 2^655614090 is an apocalyptic number.

655614090 is an abundant number, since it is smaller than the sum of its proper divisors (1049614344).

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

655614090 is an equidigital number, since it uses as much as digits as its factorization.

655614090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 655614090 is about 25604.9622143834. The cubic root of 655614090 is about 868.7258797023.

The spelling of 655614090 in words is "six hundred fifty-five million, six hundred fourteen thousand, ninety".