2553516660 has 48 divisors (see below), whose sum is σ = 7157102400. Its totient is φ = 680246784.

The previous prime is 2553516659. The next prime is 2553516689. The reversal of 2553516660 is 666153552.

It is a congruent number.

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, 39451 + ... + 81629.

It is an arithmetic number, because the mean of its divisors is an integer number (149106300).

Almost surely, 2^2553516660 is an apocalyptic number.

2553516660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2553516660 is an abundant number, since it is smaller than the sum of its proper divisors (4603585740).

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

2553516660 is a wasteful number, since it uses less digits than its factorization.

2553516660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43200 (or 43198 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 2553516660 is about 50532.3328177119. The cubic root of 2553516660 is about 1366.8249523853.

It can be divided in two parts, 25535 and 16660, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 2553516660 in words is "two billion, five hundred fifty-three million, five hundred sixteen thousand, six hundred sixty".