7066466667972 has 18 divisors (see below), whose sum is σ = 17862457410798. Its totient is φ = 2355488889312.

The previous prime is 7066466667959. The next prime is 7066466667983. The reversal of 7066466667972 is 2797666646607.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4190511961476 + 2875954706496 = 2047074^2 + 1695864^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 7066466667972.

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, 98145370353 + ... + 98145370424.

Almost surely, 2^{7066466667972} is an apocalyptic number.

It is an amenable number.

7066466667972 is an abundant number, since it is smaller than the sum of its proper divisors (10795990742826).

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

7066466667972 is a wasteful number, since it uses less digits than its factorization.

7066466667972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196290740787 (or 196290740782 counting only the distinct ones).

The product of its (nonzero) digits is 1152216576, while the sum is 72.

The spelling of 7066466667972 in words is "seven trillion, sixty-six billion, four hundred sixty-six million, six hundred sixty-seven thousand, nine hundred seventy-two".