9787266165 has 16 divisors (see below), whose sum is σ = 15688584576. Its totient is φ = 5210222400.

The previous prime is 9787266161. The next prime is 9787266217. The reversal of 9787266165 is 5616627879.

It is not a de Polignac number, because 9787266165 - 2² = 9787266161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9787266161) 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 15 ways as a sum of consecutive naturals, for example, 594921 + ... + 611150.

It is an arithmetic number, because the mean of its divisors is an integer number (980536536).

Almost surely, 2^9787266165 is an apocalyptic number.

It is an amenable number.

9787266165 is a deficient number, since it is larger than the sum of its proper divisors (5901318411).

9787266165 is a wasteful number, since it uses less digits than its factorization.

9787266165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206620.

The product of its digits is 7620480, while the sum is 57.

The square root of 9787266165 is about 98930.6128809480. The cubic root of 9787266165 is about 2139.0476856457.

The spelling of 9787266165 in words is "nine billion, seven hundred eighty-seven million, two hundred sixty-six thousand, one hundred sixty-five".