165735742 has 16 divisors (see below), whose sum is σ = 251067600. Its totient is φ = 82050880.

The previous prime is 165735707. The next prime is 165735761. The reversal of 165735742 is 247537561.

It is a junction number, because it is equal to n+sod(n) for n = 165735695 and 165735704.

It is a congruent number.

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, 95442 + ... + 97162.

It is an arithmetic number, because the mean of its divisors is an integer number (15691725).

Almost surely, 2^165735742 is an apocalyptic number.

165735742 is a deficient number, since it is larger than the sum of its proper divisors (85331858).

165735742 is a wasteful number, since it uses less digits than its factorization.

165735742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its digits is 176400, while the sum is 40.

The square root of 165735742 is about 12873.8394428391. The cubic root of 165735742 is about 549.2946793537.

The spelling of 165735742 in words is "one hundred sixty-five million, seven hundred thirty-five thousand, seven hundred forty-two".