33859349666 has 32 divisors (see below), whose sum is σ = 53342109696. Its totient is φ = 16098264000.

The previous prime is 33859349653. The next prime is 33859349669. The reversal of 33859349666 is 66694395833.

It is a super-2 number, since 2×33859349666² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a junction number, because it is equal to n+sod(n) for n = 33859349599 and 33859349608.

It is not an unprimeable number, because it can be changed into a prime (33859349669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4129631 + ... + 4137821.

It is an arithmetic number, because the mean of its divisors is an integer number (1666940928).

Almost surely, 2^33859349666 is an apocalyptic number.

33859349666 is a deficient number, since it is larger than the sum of its proper divisors (19482760030).

33859349666 is a wasteful number, since it uses less digits than its factorization.

33859349666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378.

The product of its digits is 75582720, while the sum is 62.

The spelling of 33859349666 in words is "thirty-three billion, eight hundred fifty-nine million, three hundred forty-nine thousand, six hundred sixty-six".