1655256132416 has 28 divisors (see below), whose sum is σ = 3286912786080. Its totient is φ = 827057635200.

The previous prime is 1655256132407. The next prime is 1655256132433. The reversal of 1655256132416 is 6142316525561.

It is a happy number.

It is a congruent number.

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, 8819396 + ... + 9005123.

It is an arithmetic number, because the mean of its divisors is an integer number (117389742360).

Almost surely, 2^{1655256132416} is an apocalyptic number.

1655256132416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1655256132416 is a deficient number, since it is larger than the sum of its proper divisors (1631656653664).

1655256132416 is a wasteful number, since it uses less digits than its factorization.

1655256132416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17825982 (or 17825972 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 47.

The spelling of 1655256132416 in words is "one trillion, six hundred fifty-five billion, two hundred fifty-six million, one hundred thirty-two thousand, four hundred sixteen".