7612666651 has 4 divisors (see below), whose sum is σ = 7709029600. Its totient is φ = 7516303704.

The previous prime is 7612666631. The next prime is 7612666667. The reversal of 7612666651 is 1566662167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1566662167 = 7 ⋅223808881.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7612666651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7612666601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48181356 + ... + 48181513.

It is an arithmetic number, because the mean of its divisors is an integer number (1927257400).

Almost surely, 2^7612666651 is an apocalyptic number.

7612666651 is a deficient number, since it is larger than the sum of its proper divisors (96362949).

7612666651 is an equidigital number, since it uses as much as digits as its factorization.

7612666651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96362948.

The product of its digits is 544320, while the sum is 46.

The square root of 7612666651 is about 87250.5968518268. The cubic root of 7612666651 is about 1967.1868124559.

The spelling of 7612666651 in words is "seven billion, six hundred twelve million, six hundred sixty-six thousand, six hundred fifty-one".