64226664406 has 8 divisors (see below), whose sum is σ = 96365582640. Its totient is φ = 32104803528.

The previous prime is 64226664371. The next prime is 64226664413. The reversal of 64226664406 is 60446662246.

It is a happy number.

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

It is a congruent number.

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, 4254921 + ... + 4269988.

It is an arithmetic number, because the mean of its divisors is an integer number (12045697830).

Almost surely, 2^64226664406 is an apocalyptic number.

64226664406 is a deficient number, since it is larger than the sum of its proper divisors (32138918234).

64226664406 is a wasteful number, since it uses less digits than its factorization.

64226664406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528678.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 64226664406 in words is "sixty-four billion, two hundred twenty-six million, six hundred sixty-four thousand, four hundred six".