666754014201 has 16 divisors (see below), whose sum is σ = 992378069760. Its totient is φ = 394695821520.

The previous prime is 666754014181. The next prime is 666754014233. The reversal of 666754014201 is 102410457666.

It is a de Polignac number, because none of the positive numbers 2^k-666754014201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (666754015201) 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, 234936571 + ... + 234939408.

It is an arithmetic number, because the mean of its divisors is an integer number (62023629360).

Almost surely, 2^666754014201 is an apocalyptic number.

It is an amenable number.

666754014201 is a deficient number, since it is larger than the sum of its proper divisors (325624055559).

666754014201 is a wasteful number, since it uses less digits than its factorization.

666754014201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469876036.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 666754014201 in words is "six hundred sixty-six billion, seven hundred fifty-four million, fourteen thousand, two hundred one".