66336337 has 8 divisors (see below), whose sum is σ = 67801536. Its totient is φ = 64879152.

The previous prime is 66336323. The next prime is 66336343. The reversal of 66336337 is 73363366.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66336337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66336296 and 66336305.

It is not an unprimeable number, because it can be changed into a prime (66336307) 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, 16588 + ... + 20194.

It is an arithmetic number, because the mean of its divisors is an integer number (8475192).

Almost surely, 2^66336337 is an apocalyptic number.

It is an amenable number.

66336337 is a deficient number, since it is larger than the sum of its proper divisors (1465199).

66336337 is a wasteful number, since it uses less digits than its factorization.

66336337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007.

The product of its digits is 122472, while the sum is 37.

The square root of 66336337 is about 8144.7122109992. The cubic root of 66336337 is about 404.8093132709.

The spelling of 66336337 in words is "sixty-six million, three hundred thirty-six thousand, three hundred thirty-seven".