66298413 has 16 divisors (see below), whose sum is σ = 91461440. Its totient is φ = 42685056.

The previous prime is 66298409. The next prime is 66298417. The reversal of 66298413 is 31489266.

It is an interprime number because it is at equal distance from previous prime (66298409) and next prime (66298417).

It is not a de Polignac number, because 66298413 - 2² = 66298409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66298417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13281 + ... + 17577.

It is an arithmetic number, because the mean of its divisors is an integer number (5716340).

Almost surely, 2^66298413 is an apocalyptic number.

It is an amenable number.

66298413 is a deficient number, since it is larger than the sum of its proper divisors (25163027).

66298413 is a wasteful number, since it uses less digits than its factorization.

66298413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476.

The product of its digits is 62208, while the sum is 39.

The square root of 66298413 is about 8142.3837418781. The cubic root of 66298413 is about 404.7321563885.

The spelling of 66298413 in words is "sixty-six million, two hundred ninety-eight thousand, four hundred thirteen".