9404152091161 has 27 divisors (see below), whose sum is σ = 10028854075221. Its totient is φ = 8817069349944.

The previous prime is 9404152091141. The next prime is 9404152091203. The reversal of 9404152091161 is 1611902514049.

It is a happy number.

The square root of 9404152091161 is 3066619.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 9404152091161 - 2³⁹ = 8854396277273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9404152091111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6001372600 + ... + 6001374166.

It is an arithmetic number, because the mean of its divisors is an integer number (371439039823).

Almost surely, 2^{9404152091161} is an apocalyptic number.

9404152091161 is the 3066619-th square number.

9404152091161 is the 1533310-th centered octagonal number.

It is an amenable number.

9404152091161 is a deficient number, since it is larger than the sum of its proper divisors (624701984060).

9404152091161 is an frugal number, since it uses more digits than its factorization.

9404152091161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 9404152091161 in words is "nine trillion, four hundred four billion, one hundred fifty-two million, ninety-one thousand, one hundred sixty-one".