165065742 has 32 divisors (see below), whose sum is σ = 367234560. Its totient is φ = 54958680.

The previous prime is 165065741. The next prime is 165065783. The reversal of 165065742 is 247560561.

It is a happy number.

165065742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 165065697 and 165065706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165065741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84517 + ... + 86447.

It is an arithmetic number, because the mean of its divisors is an integer number (11476080).

Almost surely, 2^165065742 is an apocalyptic number.

165065742 is an abundant number, since it is smaller than the sum of its proper divisors (202168818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165065742 is a wasteful number, since it uses less digits than its factorization.

165065742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525 (or 3519 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 165065742 is about 12847.7913276952. The cubic root of 165065742 is about 548.5534904500.

The spelling of 165065742 in words is "one hundred sixty-five million, sixty-five thousand, seven hundred forty-two".