1655888121160 has 128 divisors (see below), whose sum is σ = 4648352647680. Its totient is φ = 516882290688.

The previous prime is 1655888121157. The next prime is 1655888121187. The reversal of 1655888121160 is 611218885561.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 1655888121098 and 1655888121107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2850132 + ... + 3381571.

It is an arithmetic number, because the mean of its divisors is an integer number (36315255060).

Almost surely, 2^{1655888121160} is an apocalyptic number.

1655888121160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1655888121160 is an abundant number, since it is smaller than the sum of its proper divisors (2992464526520).

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

1655888121160 is a wasteful number, since it uses less digits than its factorization.

1655888121160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231807 (or 6231803 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 52.

The spelling of 1655888121160 in words is "one trillion, six hundred fifty-five billion, eight hundred eighty-eight million, one hundred twenty-one thousand, one hundred sixty".