4001500066 has 16 divisors (see below), whose sum is σ = 6070587264. Its totient is φ = 1978015104.

The previous prime is 4001500043. The next prime is 4001500067. The reversal of 4001500066 is 6600051004.

It is not an unprimeable number, because it can be changed into a prime (4001500067) 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, 180211 + ... + 201193.

It is an arithmetic number, because the mean of its divisors is an integer number (379411704).

Almost surely, 2^4001500066 is an apocalyptic number.

4001500066 is a deficient number, since it is larger than the sum of its proper divisors (2069087198).

4001500066 is a wasteful number, since it uses less digits than its factorization.

4001500066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22065.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 4001500066 is about 63257.4111547414. The cubic root of 4001500066 is about 1587.5994610302.

The spelling of 4001500066 in words is "four billion, one million, five hundred thousand, sixty-six".