1655923955 has 16 divisors (see below), whose sum is σ = 2271681984. Its totient is φ = 1135140480.

The previous prime is 1655923933. The next prime is 1655923999. The reversal of 1655923955 is 5593295561.

It is not a de Polignac number, because 1655923955 - 2³⁰ = 582182131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165269 + ... + 175001.

It is an arithmetic number, because the mean of its divisors is an integer number (141980124).

Almost surely, 2^1655923955 is an apocalyptic number.

1655923955 is a deficient number, since it is larger than the sum of its proper divisors (615758029).

1655923955 is an equidigital number, since it uses as much as digits as its factorization.

1655923955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14606.

The product of its digits is 1822500, while the sum is 50.

The square root of 1655923955 is about 40693.0455360618. The cubic root of 1655923955 is about 1183.0782300492.

The spelling of 1655923955 in words is "one billion, six hundred fifty-five million, nine hundred twenty-three thousand, nine hundred fifty-five".