7691509161 has 12 divisors (see below), whose sum is σ = 12697094592. Its totient is φ = 4395148056.

The previous prime is 7691509159. The next prime is 7691509207. The reversal of 7691509161 is 1619051967.

It is not a de Polignac number, because 7691509161 - 2¹ = 7691509159 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7691509151) 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, 61043661 + ... + 61043786.

It is an arithmetic number, because the mean of its divisors is an integer number (1058091216).

Almost surely, 2^7691509161 is an apocalyptic number.

It is an amenable number.

7691509161 is a deficient number, since it is larger than the sum of its proper divisors (5005585431).

7691509161 is a wasteful number, since it uses less digits than its factorization.

7691509161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122087460 (or 122087457 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The square root of 7691509161 is about 87701.2494836875. The cubic root of 7691509161 is about 1973.9547242197.

The spelling of 7691509161 in words is "seven billion, six hundred ninety-one million, five hundred nine thousand, one hundred sixty-one".