1655012100160 has 28 divisors (see below), whose sum is σ = 3940997564268. Its totient is φ = 662004839936.

The previous prime is 1655012100101. The next prime is 1655012100163. The reversal of 1655012100160 is 610012105561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 597504264256 + 1057507835904 = 772984^2 + 1028352^2 .

It is not an unprimeable number, because it can be changed into a prime (1655012100163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585956087 + ... + 2585956726.

Almost surely, 2^{1655012100160} is an apocalyptic number.

1655012100160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1655012100160 is an abundant number, since it is smaller than the sum of its proper divisors (2285985464108).

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

1655012100160 is an equidigital number, since it uses as much as digits as its factorization.

1655012100160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171912830 (or 5171912820 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 1655012100160 in words is "one trillion, six hundred fifty-five billion, twelve million, one hundred thousand, one hundred sixty".