33368500001666 has 16 divisors (see below), whose sum is σ = 50665982601024. Its totient is φ = 16479919987344.

The previous prime is 33368500001653. The next prime is 33368500001687. The reversal of 33368500001666 is 66610000586333.

It is a super-2 number, since 2×33368500001666² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33368500001666.

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, 19385126 + ... + 21036161.

It is an arithmetic number, because the mean of its divisors is an integer number (3166623912564).

Almost surely, 2^{33368500001666} is an apocalyptic number.

33368500001666 is a deficient number, since it is larger than the sum of its proper divisors (17297482599358).

33368500001666 is a wasteful number, since it uses less digits than its factorization.

33368500001666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40426345.

The product of its (nonzero) digits is 1399680, while the sum is 47.

Adding to 33368500001666 its reverse (66610000586333), we get a palindrome (99978500587999).

The spelling of 33368500001666 in words is "thirty-three trillion, three hundred sixty-eight billion, five hundred million, one thousand, six hundred sixty-six".