66315444098 has 8 divisors (see below), whose sum is σ = 99993968640. Its totient is φ = 32984121220.

The previous prime is 66315444073. The next prime is 66315444103. The reversal of 66315444098 is 89044451366.

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

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, 86799938 + ... + 86800701.

It is an arithmetic number, because the mean of its divisors is an integer number (12499246080).

Almost surely, 2^66315444098 is an apocalyptic number.

66315444098 is a deficient number, since it is larger than the sum of its proper divisors (33678524542).

66315444098 is a wasteful number, since it uses less digits than its factorization.

66315444098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173600832.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 66315444098 in words is "sixty-six billion, three hundred fifteen million, four hundred forty-four thousand, ninety-eight".