2517156705066 has 16 divisors (see below), whose sum is σ = 5034328956000. Its totient is φ = 839049644048.

The previous prime is 2517156705031. The next prime is 2517156705073. The reversal of 2517156705066 is 6605076517152.

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, 3518425 + ... + 4172963.

It is an arithmetic number, because the mean of its divisors is an integer number (314645559750).

Almost surely, 2^{2517156705066} is an apocalyptic number.

2517156705066 is an abundant number, since it is smaller than the sum of its proper divisors (2517172250934).

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

2517156705066 is a wasteful number, since it uses less digits than its factorization.

2517156705066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295493.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 2517156705066 in words is "two trillion, five hundred seventeen billion, one hundred fifty-six million, seven hundred five thousand, sixty-six".