9151235165 has 4 divisors (see below), whose sum is σ = 10981482204. Its totient is φ = 7320988128.

The previous prime is 9151235153. The next prime is 9151235209. The reversal of 9151235165 is 5615321519.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5615321519 = 59 ⋅95174941.

It can be written as a sum of positive squares in 2 ways, for example, as 6631496356 + 2519738809 = 81434^2 + 50197^2 .

It is a cyclic number.

It is not a de Polignac number, because 9151235165 - 2⁸ = 9151234909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915123512 + ... + 915123521.

It is an arithmetic number, because the mean of its divisors is an integer number (2745370551).

Almost surely, 2^9151235165 is an apocalyptic number.

It is an amenable number.

9151235165 is a deficient number, since it is larger than the sum of its proper divisors (1830247039).

9151235165 is a wasteful number, since it uses less digits than its factorization.

9151235165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830247038.

The product of its digits is 40500, while the sum is 38.

The square root of 9151235165 is about 95662.0884415556. The cubic root of 9151235165 is about 2091.6703423126.

The spelling of 9151235165 in words is "nine billion, one hundred fifty-one million, two hundred thirty-five thousand, one hundred sixty-five".