66371336 has 8 divisors (see below), whose sum is σ = 124446270. Its totient is φ = 33185664.

The previous prime is 66371329. The next prime is 66371359. The reversal of 66371336 is 63317366.

It can be written as a sum of positive squares in only one way, i.e., 57668836 + 8702500 = 7594^2 + 2950^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 66371296 and 66371305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4148201 + ... + 4148216.

Almost surely, 2^66371336 is an apocalyptic number.

It is an amenable number.

66371336 is a deficient number, since it is larger than the sum of its proper divisors (58074934).

66371336 is a wasteful number, since it uses less digits than its factorization.

66371336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8296423 (or 8296419 counting only the distinct ones).

The product of its digits is 40824, while the sum is 35.

The square root of 66371336 is about 8146.8604996035. The cubic root of 66371336 is about 404.8804931143.

The spelling of 66371336 in words is "sixty-six million, three hundred seventy-one thousand, three hundred thirty-six".