2001135446066 has 16 divisors (see below), whose sum is σ = 3268642291200. Its totient is φ = 915219840528.

The previous prime is 2001135446041. The next prime is 2001135446081. The reversal of 2001135446066 is 6606445311002.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907955090 + ... + 907957293.

It is an arithmetic number, because the mean of its divisors is an integer number (204290143200).

Almost surely, 2^{2001135446066} is an apocalyptic number.

2001135446066 is a deficient number, since it is larger than the sum of its proper divisors (1267506845134).

2001135446066 is a wasteful number, since it uses less digits than its factorization.

2001135446066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815912433.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 2001135446066 in words is "two trillion, one billion, one hundred thirty-five million, four hundred forty-six thousand, sixty-six".