7626251662660 has 96 divisors (see below), whose sum is σ = 17239931261280. Its totient is φ = 2823214694400.

The previous prime is 7626251662649. The next prime is 7626251662661. The reversal of 7626251662660 is 662661526267.

It can be written as a sum of positive squares in 16 ways, for example, as 3317148260416 + 4309103402244 = 1821304^2 + 2075838^2 .

It is not an unprimeable number, because it can be changed into a prime (7626251662661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78120280 + ... + 78217840.

It is an arithmetic number, because the mean of its divisors is an integer number (179582617305).

Almost surely, 2^{7626251662660} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7626251662660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8619965630640).

7626251662660 is an abundant number, since it is smaller than the sum of its proper divisors (9613679598620).

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

7626251662660 is a wasteful number, since it uses less digits than its factorization.

7626251662660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101417 (or 101415 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 7626251662660 in words is "seven trillion, six hundred twenty-six billion, two hundred fifty-one million, six hundred sixty-two thousand, six hundred sixty".