165346538 has 16 divisors (see below), whose sum is σ = 288800640. Its totient is φ = 69525456.

The previous prime is 165346523. The next prime is 165346543. The reversal of 165346538 is 835643561.

It is a junction number, because it is equal to n+sod(n) for n = 165346495 and 165346504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110678 + ... + 112161.

It is an arithmetic number, because the mean of its divisors is an integer number (18050040).

Almost surely, 2^165346538 is an apocalyptic number.

165346538 is a deficient number, since it is larger than the sum of its proper divisors (123454102).

165346538 is a wasteful number, since it uses less digits than its factorization.

165346538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222901.

The product of its digits is 259200, while the sum is 41.

The square root of 165346538 is about 12858.7144769608. The cubic root of 165346538 is about 548.8643653063.

The spelling of 165346538 in words is "one hundred sixty-five million, three hundred forty-six thousand, five hundred thirty-eight".