500655167121 has 16 divisors (see below), whose sum is σ = 685863543104. Its totient is φ = 324615864384.

The previous prime is 500655167081. The next prime is 500655167161. The reversal of 500655167121 is 121761556005.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (500655167081) and next prime (500655167161).

It is not a de Polignac number, because 500655167121 - 2¹⁰ = 500655166097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 500655167121.

It is not an unprimeable number, because it can be changed into a prime (500655167161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654895 + ... + 1195908.

It is an arithmetic number, because the mean of its divisors is an integer number (42866471444).

Almost surely, 2^500655167121 is an apocalyptic number.

It is an amenable number.

500655167121 is a deficient number, since it is larger than the sum of its proper divisors (185208375983).

500655167121 is a wasteful number, since it uses less digits than its factorization.

500655167121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853280.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 500655167121 in words is "five hundred billion, six hundred fifty-five million, one hundred sixty-seven thousand, one hundred twenty-one".