1655513948944 has 20 divisors (see below), whose sum is σ = 3207916181340. Its totient is φ = 827664611840.

The previous prime is 1655513948887. The next prime is 1655513948971. The reversal of 1655513948944 is 4498493155561.

It can be written as a sum of positive squares in 2 ways, for example, as 1196372188944 + 459141760000 = 1093788^2 + 677600^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624677 + ... + 5911684.

It is an arithmetic number, because the mean of its divisors is an integer number (160395809067).

Almost surely, 2^{1655513948944} is an apocalyptic number.

It is an amenable number.

1655513948944 is a deficient number, since it is larger than the sum of its proper divisors (1552402232396).

1655513948944 is a wasteful number, since it uses less digits than its factorization.

1655513948944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11545338 (or 11545332 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 64.

The spelling of 1655513948944 in words is "one trillion, six hundred fifty-five billion, five hundred thirteen million, nine hundred forty-eight thousand, nine hundred forty-four".