2001214536066 has 12 divisors (see below), whose sum is σ = 4335964828182. Its totient is φ = 667071512016.

The previous prime is 2001214536031. The next prime is 2001214536073. The reversal of 2001214536066 is 6606354121002.

2001214536066 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 2 + 1 + 45 + 3 + 606 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1085899464225 + 915315071841 = 1042065^2 + 956721^2 .

It is a super-2 number, since 2×2001214536066² (a number of 25 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 2001214536066.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55589292651 + ... + 55589292686.

Almost surely, 2^{2001214536066} is an apocalyptic number.

2001214536066 is an abundant number, since it is smaller than the sum of its proper divisors (2334750292116).

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

2001214536066 is a wasteful number, since it uses less digits than its factorization.

2001214536066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111178585345 (or 111178585342 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 2001214536066 its reverse (6606354121002), we get a palindrome (8607568657068).

The spelling of 2001214536066 in words is "two trillion, one billion, two hundred fourteen million, five hundred thirty-six thousand, sixty-six".