33405546666 has 16 divisors (see below), whose sum is σ = 66864600000. Its totient is φ = 11126264448.

The previous prime is 33405546653. The next prime is 33405546763. The reversal of 33405546666 is 66664550433.

It is a super-2 number, since 2×33405546666² (a number of 22 digits) contains 22 as substring.

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, 2221326 + ... + 2236313.

It is an arithmetic number, because the mean of its divisors is an integer number (4179037500).

Almost surely, 2^33405546666 is an apocalyptic number.

33405546666 is an abundant number, since it is smaller than the sum of its proper divisors (33459053334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33405546666 is a wasteful number, since it uses less digits than its factorization.

33405546666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458893.

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 33405546666 in words is "thirty-three billion, four hundred five million, five hundred forty-six thousand, six hundred sixty-six".