2066111564 has 48 divisors (see below), whose sum is σ = 3989817216. Its totient is φ = 928387200.

The previous prime is 2066111533. The next prime is 2066111603. The reversal of 2066111564 is 4651116602.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2066111564.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1999592 + ... + 2000624.

It is an arithmetic number, because the mean of its divisors is an integer number (83121192).

Almost surely, 2^2066111564 is an apocalyptic number.

It is an amenable number.

2066111564 is a deficient number, since it is larger than the sum of its proper divisors (1923705652).

2066111564 is a wasteful number, since it uses less digits than its factorization.

2066111564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1524 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2066111564 is about 45454.4999312499. The cubic root of 2066111564 is about 1273.6533908198.

The spelling of 2066111564 in words is "two billion, sixty-six million, one hundred eleven thousand, five hundred sixty-four".