1655557048122 has 32 divisors (see below), whose sum is σ = 3337249918464. Its totient is φ = 547498551600.

The previous prime is 1655557048099. The next prime is 1655557048169. The reversal of 1655557048122 is 2218407555561.

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, 2801347 + ... + 3340457.

It is an arithmetic number, because the mean of its divisors is an integer number (104289059952).

Almost surely, 2^{1655557048122} is an apocalyptic number.

1655557048122 is an abundant number, since it is smaller than the sum of its proper divisors (1681692870342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1655557048122 is a wasteful number, since it uses less digits than its factorization.

1655557048122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543154.

The product of its (nonzero) digits is 3360000, while the sum is 51.

The spelling of 1655557048122 in words is "one trillion, six hundred fifty-five billion, five hundred fifty-seven million, forty-eight thousand, one hundred twenty-two".