64466054100256 has 48 divisors (see below), whose sum is σ = 127447491679200. Its totient is φ = 32098444139520.

The previous prime is 64466054100233. The next prime is 64466054100341. The reversal of 64466054100256 is 65200145066446.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383873395 + ... + 384041293.

It is an arithmetic number, because the mean of its divisors is an integer number (2655156076650).

Almost surely, 2^{64466054100256} is an apocalyptic number.

It is an amenable number.

64466054100256 is a deficient number, since it is larger than the sum of its proper divisors (62981437578944).

64466054100256 is a wasteful number, since it uses less digits than its factorization.

64466054100256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217937 (or 217929 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 64466054100256 in words is "sixty-four trillion, four hundred sixty-six billion, fifty-four million, one hundred thousand, two hundred fifty-six".