66260246466 has 32 divisors (see below), whose sum is σ = 135493171200. Its totient is φ = 21592365776.

The previous prime is 66260246461. The next prime is 66260246477. The reversal of 66260246466 is 66464206266.

It is not an unprimeable number, because it can be changed into a prime (66260246461) 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, 117685 + ... + 382583.

It is an arithmetic number, because the mean of its divisors is an integer number (4234161600).

Almost surely, 2^66260246466 is an apocalyptic number.

66260246466 is an abundant number, since it is smaller than the sum of its proper divisors (69232924734).

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

66260246466 is a wasteful number, since it uses less digits than its factorization.

66260246466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265838.

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 66260246466 in words is "sixty-six billion, two hundred sixty million, two hundred forty-six thousand, four hundred sixty-six".