165765653346 has 16 divisors (see below), whose sum is σ = 331947290304. Its totient is φ = 55185887184.

The previous prime is 165765653329. The next prime is 165765653381. The reversal of 165765653346 is 643356567561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17327470 + ... + 17337033.

It is an arithmetic number, because the mean of its divisors is an integer number (20746705644).

Almost surely, 2^165765653346 is an apocalyptic number.

165765653346 is an abundant number, since it is smaller than the sum of its proper divisors (166181636958).

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

165765653346 is a wasteful number, since it uses less digits than its factorization.

165765653346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34665305.

The product of its digits is 40824000, while the sum is 57.

The spelling of 165765653346 in words is "one hundred sixty-five billion, seven hundred sixty-five million, six hundred fifty-three thousand, three hundred forty-six".