9639161073 has 24 divisors (see below), whose sum is σ = 14660786400. Its totient is φ = 6085917504.

The previous prime is 9639161071. The next prime is 9639161089. The reversal of 9639161073 is 3701619369.

9639161073 is a `hidden beast` number, since 9 + 639 + 1 + 6 + 1 + 0 + 7 + 3 = 666.

It is not a de Polignac number, because 9639161073 - 2¹ = 9639161071 is a prime.

It is a super-2 number, since 2×9639161073² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9639161071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 664686 + ... + 679032.

It is an arithmetic number, because the mean of its divisors is an integer number (610866100).

Almost surely, 2^9639161073 is an apocalyptic number.

It is an amenable number.

9639161073 is a deficient number, since it is larger than the sum of its proper divisors (5021625327).

9639161073 is a wasteful number, since it uses less digits than its factorization.

9639161073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18301 (or 18298 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 9639161073 is about 98179.2293359446. The cubic root of 9639161073 is about 2128.2031377754.

It can be divided in two parts, 96391 and 61073, that added together give a cube (157464 = 54³).

The spelling of 9639161073 in words is "nine billion, six hundred thirty-nine million, one hundred sixty-one thousand, seventy-three".