2162006566 has 16 divisors (see below), whose sum is σ = 3268614384. Its totient is φ = 1072501984.

The previous prime is 2162006551. The next prime is 2162006593. The reversal of 2162006566 is 6656002612.

It is a super-2 number, since 2×2162006566² = 9348544782854224712, 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, 124896 + ... + 141148.

It is an arithmetic number, because the mean of its divisors is an integer number (204288399).

Almost surely, 2^2162006566 is an apocalyptic number.

2162006566 is a deficient number, since it is larger than the sum of its proper divisors (1106607818).

2162006566 is a wasteful number, since it uses less digits than its factorization.

2162006566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16775.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2162006566 is about 46497.3823564295. The cubic root of 2162006566 is about 1293.0609693380.

The spelling of 2162006566 in words is "two billion, one hundred sixty-two million, six thousand, five hundred sixty-six".