64266866246 has 24 divisors (see below), whose sum is σ = 107959938912. Its totient is φ = 28661032400.

The previous prime is 64266866233. The next prime is 64266866309.

It is a happy number.

64266866246 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64266866191 and 64266866200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2492510 + ... + 2518161.

It is an arithmetic number, because the mean of its divisors is an integer number (4498330788).

Almost surely, 2^64266866246 is an apocalyptic number.

64266866246 is a deficient number, since it is larger than the sum of its proper divisors (43693072666).

64266866246 is a wasteful number, since it uses less digits than its factorization.

64266866246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010748 (or 5010737 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 56.

The spelling of 64266866246 in words is "sixty-four billion, two hundred sixty-six million, eight hundred sixty-six thousand, two hundred forty-six".