7651516537 has 8 divisors (see below), whose sum is σ = 8755909056. Its totient is φ = 6549953712.

The previous prime is 7651516531. The next prime is 7651516603. The reversal of 7651516537 is 7356151567.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7651516537 - 2³ = 7651516529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7651516531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701623 + ... + 712444.

It is an arithmetic number, because the mean of its divisors is an integer number (1094488632).

Almost surely, 2^7651516537 is an apocalyptic number.

It is an amenable number.

7651516537 is a deficient number, since it is larger than the sum of its proper divisors (1104392519).

7651516537 is a wasteful number, since it uses less digits than its factorization.

7651516537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414847.

The product of its digits is 661500, while the sum is 46.

The square root of 7651516537 is about 87472.9474580570. The cubic root of 7651516537 is about 1970.5275316002.

The spelling of 7651516537 in words is "seven billion, six hundred fifty-one million, five hundred sixteen thousand, five hundred thirty-seven".