66310403883 has 8 divisors (see below), whose sum is σ = 93067233600. Its totient is φ = 41880255048.

The previous prime is 66310403869. The next prime is 66310403893. The reversal of 66310403883 is 38830401366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66310403883 - 2¹² = 66310399787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66310403893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581670153 + ... + 581670266.

It is an arithmetic number, because the mean of its divisors is an integer number (11633404200).

Almost surely, 2^66310403883 is an apocalyptic number.

66310403883 is a deficient number, since it is larger than the sum of its proper divisors (26756829717).

66310403883 is a wasteful number, since it uses less digits than its factorization.

66310403883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163340441.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 66310403883 in words is "sixty-six billion, three hundred ten million, four hundred three thousand, eight hundred eighty-three".