116666072122 has 4 divisors (see below), whose sum is σ = 174999108186. Its totient is φ = 58333036060.

The previous prime is 116666072113. The next prime is 116666072123. The reversal of 116666072122 is 221270666611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 98640593041 + 18025479081 = 314071^2 + 134259^2 .

It is a super-2 number, since 2×116666072122² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (116666072123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29166518029 + ... + 29166518032.

Almost surely, 2^116666072122 is an apocalyptic number.

116666072122 is a deficient number, since it is larger than the sum of its proper divisors (58333036064).

116666072122 is an equidigital number, since it uses as much as digits as its factorization.

116666072122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58333036063.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 116666072122 in words is "one hundred sixteen billion, six hundred sixty-six million, seventy-two thousand, one hundred twenty-two".