1555006605160 has 32 divisors (see below), whose sum is σ = 3556121668200. Its totient is φ = 611805876480.

The previous prime is 1555006605083. The next prime is 1555006605161. The reversal of 1555006605160 is 615066005551.

It can be written as a sum of positive squares in 4 ways, for example, as 1077489672484 + 477516932676 = 1038022^2 + 691026^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1555006605161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318646455 + ... + 318651334.

Almost surely, 2^{1555006605160} is an apocalyptic number.

1555006605160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1555006605160 is an abundant number, since it is smaller than the sum of its proper divisors (2001115063040).

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

1555006605160 is a wasteful number, since it uses less digits than its factorization.

1555006605160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637297861 (or 637297857 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 1555006605160 in words is "one trillion, five hundred fifty-five billion, six million, six hundred five thousand, one hundred sixty".