7904917161 has 12 divisors (see below), whose sum is σ = 11428395888. Its totient is φ = 5265245304.

The previous prime is 7904917117. The next prime is 7904917171. The reversal of 7904917161 is 1617194097.

7904917161 is a `hidden beast` number, since 7 + 90 + 491 + 71 + 6 + 1 = 666.

7904917161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7904917161 - 2¹⁴ = 7904900777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7904917171) 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, 380955 + ... + 401168.

It is an arithmetic number, because the mean of its divisors is an integer number (952366324).

Almost surely, 2^7904917161 is an apocalyptic number.

It is an amenable number.

7904917161 is a deficient number, since it is larger than the sum of its proper divisors (3523478727).

7904917161 is a wasteful number, since it uses less digits than its factorization.

7904917161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783252 (or 783249 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The square root of 7904917161 is about 88909.6010619776. The cubic root of 7904917161 is about 1992.0448296692.

The spelling of 7904917161 in words is "seven billion, nine hundred four million, nine hundred seventeen thousand, one hundred sixty-one".