2141370666 has 24 divisors (see below), whose sum is σ = 4738353984. Its totient is φ = 698602920.

The previous prime is 2141370641. The next prime is 2141370697. The reversal of 2141370666 is 6660731412.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2141370666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1264740 + ... + 1266431.

It is an arithmetic number, because the mean of its divisors is an integer number (197431416).

Almost surely, 2^2141370666 is an apocalyptic number.

2141370666 is an abundant number, since it is smaller than the sum of its proper divisors (2596983318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141370666 is a wasteful number, since it uses less digits than its factorization.

2141370666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531226 (or 2531223 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2141370666 is about 46274.9464181213. The cubic root of 2141370666 is about 1288.9338116620.

The spelling of 2141370666 in words is "two billion, one hundred forty-one million, three hundred seventy thousand, six hundred sixty-six".