66006061001 has 16 divisors (see below), whose sum is σ = 70078296960. Its totient is φ = 62075207040.

The previous prime is 66006060949. The next prime is 66006061003. The reversal of 66006061001 is 10016060066.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66006061001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66006061003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22220 + ... + 364013.

It is an arithmetic number, because the mean of its divisors is an integer number (4379893560).

Almost surely, 2^66006061001 is an apocalyptic number.

It is an amenable number.

66006061001 is a deficient number, since it is larger than the sum of its proper divisors (4072235959).

66006061001 is a wasteful number, since it uses less digits than its factorization.

66006061001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386416.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 66006061001 in words is "sixty-six billion, six million, sixty-one thousand, one".