2512266660 has 72 divisors (see below), whose sum is σ = 7866383616. Its totient is φ = 648325440.

The previous prime is 2512266649. The next prime is 2512266661. The reversal of 2512266660 is 666622152.

2512266660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2512266660² = 12622967541895111200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2512266661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219534 + ... + 230693.

It is an arithmetic number, because the mean of its divisors is an integer number (109255328).

Almost surely, 2^2512266660 is an apocalyptic number.

2512266660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2512266660 is an abundant number, since it is smaller than the sum of its proper divisors (5354116956).

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

2512266660 is a wasteful number, since it uses less digits than its factorization.

2512266660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450273 (or 450268 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2512266660 is about 50122.5164970794. The cubic root of 2512266660 is about 1359.4249767754.

The spelling of 2512266660 in words is "two billion, five hundred twelve million, two hundred sixty-six thousand, six hundred sixty".