1655955494 has 4 divisors (see below), whose sum is σ = 2483933244. Its totient is φ = 827977746.

The previous prime is 1655955491. The next prime is 1655955523. The reversal of 1655955494 is 4945595561.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4945595561 = 199 ⋅24852239.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655955491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413988872 + ... + 413988875.

It is an arithmetic number, because the mean of its divisors is an integer number (620983311).

Almost surely, 2^1655955494 is an apocalyptic number.

1655955494 is a deficient number, since it is larger than the sum of its proper divisors (827977750).

1655955494 is an equidigital number, since it uses as much as digits as its factorization.

1655955494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827977749.

The product of its digits is 4860000, while the sum is 53.

The square root of 1655955494 is about 40693.4330574357. The cubic root of 1655955494 is about 1183.0857410357.

The spelling of 1655955494 in words is "one billion, six hundred fifty-five million, nine hundred fifty-five thousand, four hundred ninety-four".