165223374 has 16 divisors (see below), whose sum is σ = 349885008. Its totient is φ = 51834752.

The previous prime is 165223361. The next prime is 165223379. The reversal of 165223374 is 473322561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165223379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809817 + ... + 810020.

It is an arithmetic number, because the mean of its divisors is an integer number (21867813).

Almost surely, 2^165223374 is an apocalyptic number.

165223374 is an abundant number, since it is smaller than the sum of its proper divisors (184661634).

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

165223374 is a wasteful number, since it uses less digits than its factorization.

165223374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619859.

The product of its digits is 30240, while the sum is 33.

The square root of 165223374 is about 12853.9244590903. The cubic root of 165223374 is about 548.7280513496.

The spelling of 165223374 in words is "one hundred sixty-five million, two hundred twenty-three thousand, three hundred seventy-four".