7666253456 has 20 divisors (see below), whose sum is σ = 15635122800. Its totient is φ = 3631383072.

The previous prime is 7666253453. The next prime is 7666253467. The reversal of 7666253456 is 6543526667.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7666253453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12608666 + ... + 12609273.

It is an arithmetic number, because the mean of its divisors is an integer number (781756140).

Almost surely, 2^7666253456 is an apocalyptic number.

7666253456 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7666253456 is an abundant number, since it is smaller than the sum of its proper divisors (7968869344).

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

7666253456 is a wasteful number, since it uses less digits than its factorization.

7666253456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25217966 (or 25217960 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 50.

The square root of 7666253456 is about 87557.1439461110. The cubic root of 7666253456 is about 1971.7918073777.

The spelling of 7666253456 in words is "seven billion, six hundred sixty-six million, two hundred fifty-three thousand, four hundred fifty-six".