2640175066 has 16 divisors (see below), whose sum is σ = 4028742144. Its totient is φ = 1297353024.

The previous prime is 2640175063. The next prime is 2640175067. The reversal of 2640175066 is 6605710462.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2640175063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35271 + ... + 80773.

It is an arithmetic number, because the mean of its divisors is an integer number (251796384).

Almost surely, 2^2640175066 is an apocalyptic number.

2640175066 is a deficient number, since it is larger than the sum of its proper divisors (1388567078).

2640175066 is a wasteful number, since it uses less digits than its factorization.

2640175066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46005.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2640175066 is about 51382.6338951206. The cubic root of 2640175066 is about 1382.1151953308.

The spelling of 2640175066 in words is "two billion, six hundred forty million, one hundred seventy-five thousand, sixty-six".