165473492 has 12 divisors (see below), whose sum is σ = 290781876. Its totient is φ = 82392960.

The previous prime is 165473437. The next prime is 165473519. The reversal of 165473492 is 294374561.

It can be written as a sum of positive squares in 2 ways, for example, as 104571076 + 60902416 = 10226^2 + 7804^2 .

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, 84863 + ... + 86790.

It is an arithmetic number, because the mean of its divisors is an integer number (24231823).

Almost surely, 2^165473492 is an apocalyptic number.

It is an amenable number.

165473492 is a deficient number, since it is larger than the sum of its proper divisors (125308384).

165473492 is a wasteful number, since it uses less digits than its factorization.

165473492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171898 (or 171896 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 165473492 is about 12863.6500263339. The cubic root of 165473492 is about 549.0048030829.

The spelling of 165473492 in words is "one hundred sixty-five million, four hundred seventy-three thousand, four hundred ninety-two".