33605427066 has 16 divisors (see below), whose sum is σ = 67237356000. Its totient is φ = 11197392048.

The previous prime is 33605427049. The next prime is 33605427103. The reversal of 33605427066 is 66072450633.

It is a super-2 number, since 2×33605427066² (a number of 22 digits) contains 22 as substring.

It is a Curzon 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, 1087741 + ... + 1118208.

It is an arithmetic number, because the mean of its divisors is an integer number (4202334750).

Almost surely, 2^33605427066 is an apocalyptic number.

33605427066 is an abundant number, since it is smaller than the sum of its proper divisors (33631928934).

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

33605427066 is a wasteful number, since it uses less digits than its factorization.

33605427066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208493.

The product of its (nonzero) digits is 544320, while the sum is 42.

Adding to 33605427066 its reverse (66072450633), we get a palindrome (99677877699).

The spelling of 33605427066 in words is "thirty-three billion, six hundred five million, four hundred twenty-seven thousand, sixty-six".