2865990066 has 16 divisors (see below), whose sum is σ = 5734300224. Its totient is φ = 954943344.

The previous prime is 2865990059. The next prime is 2865990073. The reversal of 2865990066 is 6600995682.

2865990066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2865990059) and next prime (2865990073).

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, 80401 + ... + 110436.

It is an arithmetic number, because the mean of its divisors is an integer number (358393764).

Almost surely, 2^2865990066 is an apocalyptic number.

2865990066 is an abundant number, since it is smaller than the sum of its proper divisors (2868310158).

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

2865990066 is a wasteful number, since it uses less digits than its factorization.

2865990066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193345.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 2865990066 is about 53534.9424768534. The cubic root of 2865990066 is about 1420.4465411081.

The spelling of 2865990066 in words is "two billion, eight hundred sixty-five million, nine hundred ninety thousand, sixty-six".