33056991668 has 6 divisors (see below), whose sum is σ = 57849735426. Its totient is φ = 16528495832.

The previous prime is 33056991641. The next prime is 33056991679. The reversal of 33056991668 is 86619965033.

It can be written as a sum of positive squares in only one way, i.e., 18206644624 + 14850347044 = 134932^2 + 121862^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4132123955 + ... + 4132123962.

It is an arithmetic number, because the mean of its divisors is an integer number (9641622571).

Almost surely, 2^33056991668 is an apocalyptic number.

It is an amenable number.

33056991668 is a deficient number, since it is larger than the sum of its proper divisors (24792743758).

33056991668 is a wasteful number, since it uses less digits than its factorization.

33056991668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8264247921 (or 8264247919 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 56.

The spelling of 33056991668 in words is "thirty-three billion, fifty-six million, nine hundred ninety-one thousand, six hundred sixty-eight".