66281425314 has 32 divisors (see below), whose sum is σ = 147365159424. Its totient is φ = 19736403840.

The previous prime is 66281425313. The next prime is 66281425321. The reversal of 66281425314 is 41352418266.

It is not an unprimeable number, because it can be changed into a prime (66281425313) 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, 13703419 + ... + 13708254.

It is an arithmetic number, because the mean of its divisors is an integer number (4605161232).

Almost surely, 2^66281425314 is an apocalyptic number.

66281425314 is an abundant number, since it is smaller than the sum of its proper divisors (81083734110).

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

66281425314 is a wasteful number, since it uses less digits than its factorization.

66281425314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27411722.

The product of its digits is 276480, while the sum is 42.

The spelling of 66281425314 in words is "sixty-six billion, two hundred eighty-one million, four hundred twenty-five thousand, three hundred fourteen".