2506320166516 has 24 divisors (see below), whose sum is σ = 4387887582624. Its totient is φ = 1252638124320.

The previous prime is 2506320166489. The next prime is 2506320166549. The reversal of 2506320166516 is 6156610236052.

2506320166516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130930306 + ... + 130949446.

It is an arithmetic number, because the mean of its divisors is an integer number (182828649276).

Almost surely, 2^{2506320166516} is an apocalyptic number.

It is an amenable number.

2506320166516 is a deficient number, since it is larger than the sum of its proper divisors (1881567416108).

2506320166516 is a wasteful number, since it uses less digits than its factorization.

2506320166516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31071 (or 31069 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 2506320166516 in words is "two trillion, five hundred six billion, three hundred twenty million, one hundred sixty-six thousand, five hundred sixteen".