2066590516 has 24 divisors (see below), whose sum is σ = 3831790536. Its totient is φ = 971873280.

The previous prime is 2066590501. The next prime is 2066590531. The reversal of 2066590516 is 6150956602.

It is an interprime number because it is at equal distance from previous prime (2066590501) and next prime (2066590531).

It can be written as a sum of positive squares in 4 ways, for example, as 96118416 + 1970472100 = 9804^2 + 44390^2 .

It is a super-2 number, since 2×2066590516² = 8541592721642292512, which contains 22 as substring.

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, 103506 + ... + 121846.

It is an arithmetic number, because the mean of its divisors is an integer number (159657939).

Almost surely, 2^2066590516 is an apocalyptic number.

It is an amenable number.

2066590516 is a deficient number, since it is larger than the sum of its proper divisors (1765200020).

2066590516 is a wasteful number, since it uses less digits than its factorization.

2066590516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20019 (or 20017 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 2066590516 is about 45459.7681032361. The cubic root of 2066590516 is about 1273.7517997858.

The spelling of 2066590516 in words is "two billion, sixty-six million, five hundred ninety thousand, five hundred sixteen".