165542396 has 12 divisors (see below), whose sum is σ = 306740448. Its totient is φ = 77902272.

The previous prime is 165542381. The next prime is 165542407. The reversal of 165542396 is 693245561.

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, 1217156 + ... + 1217291.

It is an arithmetic number, because the mean of its divisors is an integer number (25561704).

Almost surely, 2^165542396 is an apocalyptic number.

It is an amenable number.

165542396 is a deficient number, since it is larger than the sum of its proper divisors (141198052).

165542396 is a wasteful number, since it uses less digits than its factorization.

165542396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434468 (or 2434466 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 165542396 is about 12866.3279920885. The cubic root of 165542396 is about 549.0809953017.

The spelling of 165542396 in words is "one hundred sixty-five million, five hundred forty-two thousand, three hundred ninety-six".