122860351666 has 16 divisors (see below), whose sum is σ = 199028965464. Its totient is φ = 56544136704.

The previous prime is 122860351661. The next prime is 122860351667. The reversal of 122860351666 is 666153068221.

It can be written as a sum of positive squares in 4 ways, for example, as 103118696641 + 19741655025 = 321121^2 + 140505^2 .

It is a super-2 number, since 2×122860351666² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122860351661) 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, 6684021 + ... + 6702376.

Almost surely, 2^122860351666 is an apocalyptic number.

122860351666 is a deficient number, since it is larger than the sum of its proper divisors (76168613798).

122860351666 is a wasteful number, since it uses less digits than its factorization.

122860351666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13386765.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 122860351666 in words is "one hundred twenty-two billion, eight hundred sixty million, three hundred fifty-one thousand, six hundred sixty-six".