899151165 has 64 divisors (see below), whose sum is σ = 1846437120. Its totient is φ = 410296320.

The previous prime is 899151161. The next prime is 899151173. The reversal of 899151165 is 561151998.

It is not a de Polignac number, because 899151165 - 2² = 899151161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 899151165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899151161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7437 + ... + 43053.

It is an arithmetic number, because the mean of its divisors is an integer number (28850580).

Almost surely, 2^899151165 is an apocalyptic number.

899151165 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

899151165 is an abundant number, since it is smaller than the sum of its proper divisors (947285955).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899151165 is a wasteful number, since it uses less digits than its factorization.

899151165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35659 (or 35653 counting only the distinct ones).

The product of its digits is 97200, while the sum is 45.

The square root of 899151165 is about 29985.8494126813. The cubic root of 899151165 is about 965.1857553586.

The spelling of 899151165 in words is "eight hundred ninety-nine million, one hundred fifty-one thousand, one hundred sixty-five".