66704470414 has 4 divisors (see below), whose sum is σ = 100056705624. Its totient is φ = 33352235206.

The previous prime is 66704470411. The next prime is 66704470439. The reversal of 66704470414 is 41407440766.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66704470411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16676117602 + ... + 16676117605.

It is an arithmetic number, because the mean of its divisors is an integer number (25014176406).

Almost surely, 2^66704470414 is an apocalyptic number.

66704470414 is a deficient number, since it is larger than the sum of its proper divisors (33352235210).

66704470414 is a wasteful number, since it uses less digits than its factorization.

66704470414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33352235209.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 66704470414 in words is "sixty-six billion, seven hundred four million, four hundred seventy thousand, four hundred fourteen".