165323642 has 32 divisors (see below), whose sum is σ = 279656064. Its totient is φ = 72654400.

The previous prime is 165323629. The next prime is 165323663. The reversal of 165323642 is 246323561.

It is a junction number, because it is equal to n+sod(n) for n = 165323599 and 165323608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81788 + ... + 83784.

It is an arithmetic number, because the mean of its divisors is an integer number (8739252).

Almost surely, 2^165323642 is an apocalyptic number.

165323642 is a deficient number, since it is larger than the sum of its proper divisors (114332422).

165323642 is a wasteful number, since it uses less digits than its factorization.

165323642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134.

The product of its digits is 25920, while the sum is 32.

The square root of 165323642 is about 12857.8241549649. The cubic root of 165323642 is about 548.8390298729.

The spelling of 165323642 in words is "one hundred sixty-five million, three hundred twenty-three thousand, six hundred forty-two".