2402116666 has 4 divisors (see below), whose sum is σ = 3603175002. Its totient is φ = 1201058332.

The previous prime is 2402116637. The next prime is 2402116679. The reversal of 2402116666 is 6666112042.

2402116666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2299682025 + 102434641 = 47955^2 + 10121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600529165 + ... + 600529168.

Almost surely, 2^2402116666 is an apocalyptic number.

2402116666 is a deficient number, since it is larger than the sum of its proper divisors (1201058336).

2402116666 is a wasteful number, since it uses less digits than its factorization.

2402116666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201058335.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2402116666 is about 49011.3932264734. The cubic root of 2402116666 is about 1339.2593861663.

The spelling of 2402116666 in words is "two billion, four hundred two million, one hundred sixteen thousand, six hundred sixty-six".