2551565560160 has 48 divisors (see below), whose sum is σ = 6043257850896. Its totient is φ = 1018055351808.

The previous prime is 2551565560147. The next prime is 2551565560163. The reversal of 2551565560160 is 610655651552.

It is a happy number.

It is a super-2 number, since 2×2551565560160² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551565560163) 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, 20021222 + ... + 20148261.

It is an arithmetic number, because the mean of its divisors is an integer number (125901205227).

Almost surely, 2^{2551565560160} is an apocalyptic number.

2551565560160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551565560160 is an abundant number, since it is smaller than the sum of its proper divisors (3491692290736).

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

2551565560160 is a wasteful number, since it uses less digits than its factorization.

2551565560160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40169895 (or 40169887 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 2551565560160 in words is "two trillion, five hundred fifty-one billion, five hundred sixty-five million, five hundred sixty thousand, one hundred sixty".