666067248001 has 16 divisors (see below), whose sum is σ = 707683144464. Its totient is φ = 624723001344.

The previous prime is 666067247977. The next prime is 666067248023. The reversal of 666067248001 is 100842760666.

It can be written as a sum of positive squares in 8 ways, for example, as 86871667600 + 579195580401 = 294740^2 + 761049^2 .

It is a cyclic number.

It is not a de Polignac number, because 666067248001 - 2⁵ = 666067247969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (666067248071) 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, 23999805 + ... + 24027541.

It is an arithmetic number, because the mean of its divisors is an integer number (44230196529).

Almost surely, 2^666067248001 is an apocalyptic number.

It is an amenable number.

666067248001 is a deficient number, since it is larger than the sum of its proper divisors (41615896463).

666067248001 is a wasteful number, since it uses less digits than its factorization.

666067248001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32580.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 666067248001 in words is "six hundred sixty-six billion, sixty-seven million, two hundred forty-eight thousand, one".