66315444107 has 8 divisors (see below), whose sum is σ = 72352608240. Its totient is φ = 60279694560.

The previous prime is 66315444103. The next prime is 66315444119. The reversal of 66315444107 is 70144451366.

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

It is a cyclic number.

It is not a de Polignac number, because 66315444107 - 2² = 66315444103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66315444103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254408 + ... + 444245.

It is an arithmetic number, because the mean of its divisors is an integer number (9044076030).

Almost surely, 2^66315444107 is an apocalyptic number.

66315444107 is a deficient number, since it is larger than the sum of its proper divisors (6037164133).

66315444107 is a wasteful number, since it uses less digits than its factorization.

66315444107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707293.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 66315444107 in words is "sixty-six billion, three hundred fifteen million, four hundred forty-four thousand, one hundred seven".