66079150987 has 16 divisors (see below), whose sum is σ = 66992205280. Its totient is φ = 65172460032.

The previous prime is 66079150981. The next prime is 66079150993. The reversal of 66079150987 is 78905197066.

It is an interprime number because it is at equal distance from previous prime (66079150981) and next prime (66079150993).

It is a cyclic number.

It is not a de Polignac number, because 66079150987 - 2³ = 66079150979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66079150981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24682693 + ... + 24685369.

It is an arithmetic number, because the mean of its divisors is an integer number (4187012830).

Almost surely, 2^66079150987 is an apocalyptic number.

66079150987 is a deficient number, since it is larger than the sum of its proper divisors (913054293).

66079150987 is a wasteful number, since it uses less digits than its factorization.

66079150987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The spelling of 66079150987 in words is "sixty-six billion, seventy-nine million, one hundred fifty thousand, nine hundred eighty-seven".