126616664 has 32 divisors (see below), whose sum is σ = 246249120. Its totient is φ = 60984576.

The previous prime is 126616661. The next prime is 126616691. The reversal of 126616664 is 466616621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126616661) 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, 28412 + ... + 32564.

It is an arithmetic number, because the mean of its divisors is an integer number (7695285).

Almost surely, 2^126616664 is an apocalyptic number.

It is an amenable number.

126616664 is a deficient number, since it is larger than the sum of its proper divisors (119632456).

126616664 is a wasteful number, since it uses less digits than its factorization.

126616664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299 (or 4295 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 126616664 is about 11252.4070313867. The cubic root of 126616664 is about 502.1463253913.

The spelling of 126616664 in words is "one hundred twenty-six million, six hundred sixteen thousand, six hundred sixty-four".