1655470855 has 16 divisors (see below), whose sum is σ = 2092428000. Its totient is φ = 1253888640.

The previous prime is 1655470837. The next prime is 1655470867. The reversal of 1655470855 is 5580745561.

It is not a de Polignac number, because 1655470855 - 2⁹ = 1655470343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180685 + ... + 189625.

It is an arithmetic number, because the mean of its divisors is an integer number (130776750).

Almost surely, 2^1655470855 is an apocalyptic number.

1655470855 is a deficient number, since it is larger than the sum of its proper divisors (436957145).

1655470855 is a wasteful number, since it uses less digits than its factorization.

1655470855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10914.

The product of its (nonzero) digits is 840000, while the sum is 46.

The square root of 1655470855 is about 40687.4778648173. The cubic root of 1655470855 is about 1182.9703141343.

The spelling of 1655470855 in words is "one billion, six hundred fifty-five million, four hundred seventy thousand, eight hundred fifty-five".