165506650500522 has 32 divisors (see below), whose sum is σ = 332255435137920. Its totient is φ = 54961875467840.

The previous prime is 165506650500481. The next prime is 165506650500563. The reversal of 165506650500522 is 225005056605561.

It is an interprime number because it is at equal distance from previous prime (165506650500481) and next prime (165506650500563).

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, 44821888 + ... + 48373700.

It is an arithmetic number, because the mean of its divisors is an integer number (10382982348060).

Almost surely, 2^{165506650500522} is an apocalyptic number.

165506650500522 is an abundant number, since it is smaller than the sum of its proper divisors (166748784637398).

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

165506650500522 is a wasteful number, since it uses less digits than its factorization.

165506650500522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580958.

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 165506650500522 in words is "one hundred sixty-five trillion, five hundred six billion, six hundred fifty million, five hundred thousand, five hundred twenty-two".