2150166465066 has 16 divisors (see below), whose sum is σ = 4553293690944. Its totient is φ = 674562028224.

The previous prime is 2150166465053. The next prime is 2150166465077. The reversal of 2150166465066 is 6605646610512.

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, 10540031590 + ... + 10540031793.

It is an arithmetic number, because the mean of its divisors is an integer number (284580855684).

Almost surely, 2^{2150166465066} is an apocalyptic number.

2150166465066 is an abundant number, since it is smaller than the sum of its proper divisors (2403127225878).

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

2150166465066 is a wasteful number, since it uses less digits than its factorization.

2150166465066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21080063405.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 2150166465066 in words is "two trillion, one hundred fifty billion, one hundred sixty-six million, four hundred sixty-five thousand, sixty-six".