165500655006502 has 16 divisors (see below), whose sum is σ = 254318129275392. Its totient is φ = 80728139609280.

The previous prime is 165500655006451. The next prime is 165500655006503. The reversal of 165500655006502 is 205600556005561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165500655006503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46876518 + ... + 50283289.

It is an arithmetic number, because the mean of its divisors is an integer number (15894883079712).

Almost surely, 2^{165500655006502} is an apocalyptic number.

165500655006502 is a deficient number, since it is larger than the sum of its proper divisors (88817474268890).

165500655006502 is a wasteful number, since it uses less digits than its factorization.

165500655006502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97180623.

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 165500655006502 in words is "one hundred sixty-five trillion, five hundred billion, six hundred fifty-five million, six thousand, five hundred two".