66867261334 has 16 divisors (see below), whose sum is σ = 101160939600. Its totient is φ = 33147779040.

The previous prime is 66867261277. The next prime is 66867261343. The reversal of 66867261334 is 43316276866.

It is a congruent number.

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, 46164 + ... + 368599.

It is an arithmetic number, because the mean of its divisors is an integer number (6322558725).

Almost surely, 2^66867261334 is an apocalyptic number.

66867261334 is a deficient number, since it is larger than the sum of its proper divisors (34293678266).

66867261334 is a wasteful number, since it uses less digits than its factorization.

66867261334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415455.

The product of its digits is 5225472, while the sum is 52.

The spelling of 66867261334 in words is "sixty-six billion, eight hundred sixty-seven million, two hundred sixty-one thousand, three hundred thirty-four".