64811700226 has 32 divisors (see below), whose sum is σ = 120885932160. Its totient is φ = 25375458816.

The previous prime is 64811700211. The next prime is 64811700263. The reversal of 64811700226 is 62200711846.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1817956 + ... + 1853263.

It is an arithmetic number, because the mean of its divisors is an integer number (3777685380).

Almost surely, 2^64811700226 is an apocalyptic number.

64811700226 is a deficient number, since it is larger than the sum of its proper divisors (56074231934).

64811700226 is a wasteful number, since it uses less digits than its factorization.

64811700226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671338.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 64811700226 in words is "sixty-four billion, eight hundred eleven million, seven hundred thousand, two hundred twenty-six".