66290794198 has 8 divisors (see below), whose sum is σ = 99437344200. Its totient is φ = 33145012800.

The previous prime is 66290794159. The next prime is 66290794201. The reversal of 66290794198 is 89149709266.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134598 + ... + 388198.

It is an arithmetic number, because the mean of its divisors is an integer number (12429668025).

Almost surely, 2^66290794198 is an apocalyptic number.

66290794198 is a deficient number, since it is larger than the sum of its proper divisors (33146550002).

66290794198 is a wasteful number, since it uses less digits than its factorization.

66290794198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384302.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 66290794198 in words is "sixty-six billion, two hundred ninety million, seven hundred ninety-four thousand, one hundred ninety-eight".