9161996373 has 8 divisors (see below), whose sum is σ = 13573328000. Its totient is φ = 6107997564.

The previous prime is 9161996357. The next prime is 9161996381. The reversal of 9161996373 is 3736991619.

It is not a de Polignac number, because 9161996373 - 2⁴ = 9161996357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9161996273) 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, 169666573 + ... + 169666626.

It is an arithmetic number, because the mean of its divisors is an integer number (1696666000).

Almost surely, 2^9161996373 is an apocalyptic number.

It is an amenable number.

9161996373 is a deficient number, since it is larger than the sum of its proper divisors (4411331627).

9161996373 is a wasteful number, since it uses less digits than its factorization.

9161996373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339333208 (or 339333202 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 9161996373 is about 95718.3178550480. The cubic root of 9161996373 is about 2092.4899068127.

The spelling of 9161996373 in words is "nine billion, one hundred sixty-one million, nine hundred ninety-six thousand, three hundred seventy-three".