66122832087258 has 32 divisors (see below), whose sum is σ = 143004072409344. Its totient is φ = 20303047314432.

The previous prime is 66122832087239. The next prime is 66122832087271. The reversal of 66122832087258 is 85278023822166.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6896410735 + ... + 6896420322.

It is an arithmetic number, because the mean of its divisors is an integer number (4468877262792).

Almost surely, 2^{66122832087258} is an apocalyptic number.

66122832087258 is an abundant number, since it is smaller than the sum of its proper divisors (76881240322086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66122832087258 is a wasteful number, since it uses less digits than its factorization.

66122832087258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13792831126.

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 66122832087258 in words is "sixty-six trillion, one hundred twenty-two billion, eight hundred thirty-two million, eighty-seven thousand, two hundred fifty-eight".