64415056266 has 48 divisors (see below), whose sum is σ = 152329394880. Its totient is φ = 19510018560.

The previous prime is 64415056259. The next prime is 64415056301. The reversal of 64415056266 is 66265051446.

64415056266 is a `hidden beast` number, since 6 + 4 + 4 + 15 + 0 + 5 + 626 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323946 + ... + 483498.

It is an arithmetic number, because the mean of its divisors is an integer number (3173529060).

Almost surely, 2^64415056266 is an apocalyptic number.

64415056266 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64415056266 is an abundant number, since it is smaller than the sum of its proper divisors (87914338614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64415056266 is a wasteful number, since it uses less digits than its factorization.

64415056266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161611 (or 161608 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 64415056266 in words is "sixty-four billion, four hundred fifteen million, fifty-six thousand, two hundred sixty-six".