64033486556 has 12 divisors (see below), whose sum is σ = 120678493992. Its totient is φ = 29553916848.

The previous prime is 64033486499. The next prime is 64033486597. The reversal of 64033486556 is 65568433046.

It is a super-2 number, since 2×64033486556² (a number of 22 digits) contains 22 as substring.

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, 615706550 + ... + 615706653.

It is an arithmetic number, because the mean of its divisors is an integer number (10056541166).

Almost surely, 2^64033486556 is an apocalyptic number.

It is an amenable number.

64033486556 is a deficient number, since it is larger than the sum of its proper divisors (56645007436).

64033486556 is a wasteful number, since it uses less digits than its factorization.

64033486556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231413220 (or 1231413218 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 64033486556 in words is "sixty-four billion, thirty-three million, four hundred eighty-six thousand, five hundred fifty-six".