66317125357 has 8 divisors (see below), whose sum is σ = 76750380800. Its totient is φ = 56123715024.

The previous prime is 66317125351. The next prime is 66317125363. The reversal of 66317125357 is 75352171366.

It is an interprime number because it is at equal distance from previous prime (66317125351) and next prime (66317125363).

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 66317125357 - 2¹⁹ = 66316601069 is a prime.

It is a super-2 number, since 2×66317125357² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66317125351) 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, 59960682 + ... + 59961787.

It is an arithmetic number, because the mean of its divisors is an integer number (9593797600).

Almost surely, 2^66317125357 is an apocalyptic number.

It is an amenable number.

66317125357 is a deficient number, since it is larger than the sum of its proper divisors (10433255443).

66317125357 is a wasteful number, since it uses less digits than its factorization.

66317125357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119922555.

The product of its digits is 793800, while the sum is 46.

The spelling of 66317125357 in words is "sixty-six billion, three hundred seventeen million, one hundred twenty-five thousand, three hundred fifty-seven".