655390995 has 64 divisors (see below), whose sum is σ = 1243938816. Its totient is φ = 288339840.

The previous prime is 655390969. The next prime is 655391017. The reversal of 655390995 is 599093556.

It is not a de Polignac number, because 655390995 - 2⁵ = 655390963 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 738442 + ... + 739328.

It is an arithmetic number, because the mean of its divisors is an integer number (19436544).

Almost surely, 2^655390995 is an apocalyptic number.

655390995 is a deficient number, since it is larger than the sum of its proper divisors (588547821).

655390995 is a wasteful number, since it uses less digits than its factorization.

655390995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160.

The product of its (nonzero) digits is 1640250, while the sum is 51.

The square root of 655390995 is about 25600.6053639362. The cubic root of 655390995 is about 868.6273306775.

The spelling of 655390995 in words is "six hundred fifty-five million, three hundred ninety thousand, nine hundred ninety-five".