66583003364 has 6 divisors (see below), whose sum is σ = 116520255894. Its totient is φ = 33291501680.

The previous prime is 66583003351. The next prime is 66583003387. The reversal of 66583003364 is 46330038566.

It can be written as a sum of positive squares in only one way, i.e., 55597867264 + 10985136100 = 235792^2 + 104810^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8322875417 + ... + 8322875424.

It is an arithmetic number, because the mean of its divisors is an integer number (19420042649).

Almost surely, 2^66583003364 is an apocalyptic number.

It is an amenable number.

66583003364 is a deficient number, since it is larger than the sum of its proper divisors (49937252530).

66583003364 is a wasteful number, since it uses less digits than its factorization.

66583003364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16645750845 (or 16645750843 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 66583003364 in words is "sixty-six billion, five hundred eighty-three million, three thousand, three hundred sixty-four".