66470339926 has 8 divisors (see below), whose sum is σ = 99708471720. Its totient is φ = 33234182688.

The previous prime is 66470339893. The next prime is 66470339933. The reversal of 66470339926 is 62993307466.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406396 + ... + 545983.

It is an arithmetic number, because the mean of its divisors is an integer number (12463558965).

Almost surely, 2^66470339926 is an apocalyptic number.

66470339926 is a deficient number, since it is larger than the sum of its proper divisors (33238131794).

66470339926 is a wasteful number, since it uses less digits than its factorization.

66470339926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987278.

The product of its (nonzero) digits is 8817984, while the sum is 55.

The spelling of 66470339926 in words is "sixty-six billion, four hundred seventy million, three hundred thirty-nine thousand, nine hundred twenty-six".