7651009134161 has 12 divisors (see below), whose sum is σ = 8347205899548. Its totient is φ = 7006329499392.

The previous prime is 7651009134143. The next prime is 7651009134193. The reversal of 7651009134161 is 1614319001567.

It can be written as a sum of positive squares in 6 ways, for example, as 1492199061136 + 6158810073025 = 1221556^2 + 2481695^2 .

It is not a de Polignac number, because 7651009134161 - 2²⁶ = 7650942025297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7651009134061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357747146 + ... + 357768531.

It is an arithmetic number, because the mean of its divisors is an integer number (695600491629).

Almost surely, 2^{7651009134161} is an apocalyptic number.

It is an amenable number.

7651009134161 is a deficient number, since it is larger than the sum of its proper divisors (696196765387).

7651009134161 is a wasteful number, since it uses less digits than its factorization.

7651009134161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715515748 (or 715515731 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 7651009134161 in words is "seven trillion, six hundred fifty-one billion, nine million, one hundred thirty-four thousand, one hundred sixty-one".