7618390061161 has 32 divisors (see below), whose sum is σ = 8819934967296. Its totient is φ = 6503538720000.

The previous prime is 7618390061147. The next prime is 7618390061203. The reversal of 7618390061161 is 1611600938167.

It is a cyclic number.

It is not a de Polignac number, because 7618390061161 - 2⁷ = 7618390061033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7618390011161) 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, 518850526 + ... + 518865208.

It is an arithmetic number, because the mean of its divisors is an integer number (275622967728).

Almost surely, 2^{7618390061161} is an apocalyptic number.

It is an amenable number.

7618390061161 is a deficient number, since it is larger than the sum of its proper divisors (1201544906135).

7618390061161 is a wasteful number, since it uses less digits than its factorization.

7618390061161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20853.

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 7618390061161 in words is "seven trillion, six hundred eighteen billion, three hundred ninety million, sixty-one thousand, one hundred sixty-one".