66229282574 has 48 divisors (see below), whose sum is σ = 123126891552. Its totient is φ = 26161035264.

The previous prime is 66229282543. The next prime is 66229282619. The reversal of 66229282574 is 47528292266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1571522 + ... + 1613114.

It is an arithmetic number, because the mean of its divisors is an integer number (2565143574).

Almost surely, 2^66229282574 is an apocalyptic number.

66229282574 is a deficient number, since it is larger than the sum of its proper divisors (56897608978).

66229282574 is a wasteful number, since it uses less digits than its factorization.

66229282574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42301 (or 42288 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The spelling of 66229282574 in words is "sixty-six billion, two hundred twenty-nine million, two hundred eighty-two thousand, five hundred seventy-four".