126377608666 has 8 divisors (see below), whose sum is σ = 189843964704. Its totient is φ = 63096287100.

The previous prime is 126377608613. The next prime is 126377608681. The reversal of 126377608666 is 666806773621.

It is a happy number.

126377608666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 126377608666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46256910 + ... + 46259641.

It is an arithmetic number, because the mean of its divisors is an integer number (23730495588).

Almost surely, 2^126377608666 is an apocalyptic number.

126377608666 is a deficient number, since it is larger than the sum of its proper divisors (63466356038).

126377608666 is an equidigital number, since it uses as much as digits as its factorization.

126377608666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92517236.

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 126377608666 in words is "one hundred twenty-six billion, three hundred seventy-seven million, six hundred eight thousand, six hundred sixty-six".