37664646673 has 8 divisors (see below), whose sum is σ = 37867253760. Its totient is φ = 37462096320.

The previous prime is 37664646671. The next prime is 37664646689.

37664646673 is nontrivially palindromic in base 10.

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 37664646673 - 2¹ = 37664646671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37664646671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467561 + ... + 2482777.

It is an arithmetic number, because the mean of its divisors is an integer number (4733406720).

Almost surely, 2^37664646673 is an apocalyptic number.

It is an amenable number.

37664646673 is a deficient number, since it is larger than the sum of its proper divisors (202607087).

37664646673 is a wasteful number, since it uses less digits than its factorization.

37664646673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28367.

The product of its digits is 54867456, while the sum is 58.

The spelling of 37664646673 in words is "thirty-seven billion, six hundred sixty-four million, six hundred forty-six thousand, six hundred seventy-three".