902447161 has 36 divisors (see below), whose sum is σ = 1214779440. Its totient is φ = 666111600.

The previous prime is 902447153. The next prime is 902447167. The reversal of 902447161 is 161744209.

It is not a de Polignac number, because 902447161 - 2³ = 902447153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (902447167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 108646 + ... + 116656.

Almost surely, 2^902447161 is an apocalyptic number.

It is an amenable number.

902447161 is a deficient number, since it is larger than the sum of its proper divisors (312332279).

902447161 is a wasteful number, since it uses less digits than its factorization.

902447161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066 (or 8048 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 902447161 is about 30040.7583293099. The cubic root of 902447161 is about 966.3636696955.

The spelling of 902447161 in words is "nine hundred two million, four hundred forty-seven thousand, one hundred sixty-one".