66002408983 has 8 divisors (see below), whose sum is σ = 75437339552. Its totient is φ = 56568982176.

The previous prime is 66002408909. The next prime is 66002408993. The reversal of 66002408983 is 38980420066.

It is a happy number.

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

It is not a de Polignac number, because 66002408983 - 2²⁵ = 65968854551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66002408993) 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, 280260 + ... + 458857.

It is an arithmetic number, because the mean of its divisors is an integer number (9429667444).

Almost surely, 2^66002408983 is an apocalyptic number.

66002408983 is a deficient number, since it is larger than the sum of its proper divisors (9434930569).

66002408983 is a wasteful number, since it uses less digits than its factorization.

66002408983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751881.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 66002408983 in words is "sixty-six billion, two million, four hundred eight thousand, nine hundred eighty-three".