66098115394 has 8 divisors (see below), whose sum is σ = 99281339280. Its totient is φ = 33004335636.

The previous prime is 66098115383. The next prime is 66098115403. The reversal of 66098115394 is 49351189066.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22359184 + ... + 22362139.

It is an arithmetic number, because the mean of its divisors is an integer number (12410167410).

Almost surely, 2^66098115394 is an apocalyptic number.

66098115394 is a deficient number, since it is larger than the sum of its proper divisors (33183223886).

66098115394 is a wasteful number, since it uses less digits than its factorization.

66098115394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44722064.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 66098115394 in words is "sixty-six billion, ninety-eight million, one hundred fifteen thousand, three hundred ninety-four".