9605117661 has 8 divisors (see below), whose sum is σ = 12815829120. Its totient is φ = 6398908992.

The previous prime is 9605117659. The next prime is 9605117663. The reversal of 9605117661 is 1667115069.

It is an interprime number because it is at equal distance from previous prime (9605117659) and next prime (9605117663).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9605117661 - 2¹ = 9605117659 is a prime.

It is a super-2 number, since 2×9605117661² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9605117663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120716 + ... + 1129253.

It is an arithmetic number, because the mean of its divisors is an integer number (1601978640).

Almost surely, 2^9605117661 is an apocalyptic number.

It is an amenable number.

9605117661 is a deficient number, since it is larger than the sum of its proper divisors (3210711459).

9605117661 is a wasteful number, since it uses less digits than its factorization.

9605117661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251395.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 9605117661 is about 98005.7021861483. The cubic root of 9605117661 is about 2125.6947328256.

The spelling of 9605117661 in words is "nine billion, six hundred five million, one hundred seventeen thousand, six hundred sixty-one".