899246161 has 8 divisors (see below), whose sum is σ = 1038701664. Its totient is φ = 769408320.

The previous prime is 899246149. The next prime is 899246167. The reversal of 899246161 is 161642998.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 899246161 - 2⁵ = 899246129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (899246167) 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, 2404215 + ... + 2404588.

It is an arithmetic number, because the mean of its divisors is an integer number (129837708).

Almost surely, 2^899246161 is an apocalyptic number.

It is an amenable number.

899246161 is a deficient number, since it is larger than the sum of its proper divisors (139455503).

899246161 is a wasteful number, since it uses less digits than its factorization.

899246161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808831.

The product of its digits is 186624, while the sum is 46.

The square root of 899246161 is about 29987.4333846697. The cubic root of 899246161 is about 965.2197450297.

The spelling of 899246161 in words is "eight hundred ninety-nine million, two hundred forty-six thousand, one hundred sixty-one".