66314475772337 has 8 divisors (see below), whose sum is σ = 71593683037800. Its totient is φ = 61060710470400.

The previous prime is 66314475772291. The next prime is 66314475772397. The reversal of 66314475772337 is 73327757441366.

It can be written as a sum of positive squares in 4 ways, for example, as 17849264575921 + 48465211196416 = 4224839^2 + 6961696^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 66314475772337 - 2⁶ = 66314475772273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66314475772397) 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, 6360485462 + ... + 6360495887.

It is an arithmetic number, because the mean of its divisors is an integer number (8949210379725).

Almost surely, 2^{66314475772337} is an apocalyptic number.

It is an amenable number.

66314475772337 is a deficient number, since it is larger than the sum of its proper divisors (5279207265463).

66314475772337 is a wasteful number, since it uses less digits than its factorization.

66314475772337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720981763.

The product of its digits is 373403520, while the sum is 65.

The spelling of 66314475772337 in words is "sixty-six trillion, three hundred fourteen billion, four hundred seventy-five million, seven hundred seventy-two thousand, three hundred thirty-seven".