2666402106 has 8 divisors (see below), whose sum is σ = 5332804224. Its totient is φ = 888800700.

The previous prime is 2666402087. The next prime is 2666402113. The reversal of 2666402106 is 6012046662.

It is a sphenic number, since it is the product of 3 distinct primes.

2666402106 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222200170 + ... + 222200181.

It is an arithmetic number, because the mean of its divisors is an integer number (666600528).

Almost surely, 2^2666402106 is an apocalyptic number.

2666402106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2666402106 is a wasteful number, since it uses less digits than its factorization.

2666402106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444400356.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2666402106 is about 51637.2162882547. The cubic root of 2666402106 is about 1386.6766881544.

Adding to 2666402106 its reverse (6012046662), we get a palindrome (8678448768).

The spelling of 2666402106 in words is "two billion, six hundred sixty-six million, four hundred two thousand, one hundred six".