66300098635 has 4 divisors (see below), whose sum is σ = 79560118368. Its totient is φ = 53040078904.

The previous prime is 66300098633. The next prime is 66300098687. The reversal of 66300098635 is 53689000366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53689000366 = 2 ⋅26844500183.

It is a cyclic number.

It is not a de Polignac number, because 66300098635 - 2¹ = 66300098633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66300098633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6630009859 + ... + 6630009868.

It is an arithmetic number, because the mean of its divisors is an integer number (19890029592).

Almost surely, 2^66300098635 is an apocalyptic number.

66300098635 is a deficient number, since it is larger than the sum of its proper divisors (13260019733).

66300098635 is a wasteful number, since it uses less digits than its factorization.

66300098635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13260019732.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 66300098635 in words is "sixty-six billion, three hundred million, ninety-eight thousand, six hundred thirty-five".