7161111617 has 24 divisors (see below), whose sum is σ = 8282046528. Its totient is φ = 6138994400.

The previous prime is 7161111613. The next prime is 7161111649.

It is a happy number.

7161111617 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7161111617 - 2² = 7161111613 is a prime.

It is a super-2 number, since 2×7161111617² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7161111611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404483 + ... + 421815.

It is an arithmetic number, because the mean of its divisors is an integer number (345085272).

Almost surely, 2^7161111617 is an apocalyptic number.

It is an amenable number.

7161111617 is a deficient number, since it is larger than the sum of its proper divisors (1120934911).

7161111617 is a wasteful number, since it uses less digits than its factorization.

7161111617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17461 (or 17438 counting only the distinct ones).

The product of its digits is 1764, while the sum is 32.

The square root of 7161111617 is about 84623.3514876361. The cubic root of 7161111617 is about 1927.4959800917.

The spelling of 7161111617 in words is "seven billion, one hundred sixty-one million, one hundred eleven thousand, six hundred seventeen".