166415225511126 has 32 divisors (see below), whose sum is σ = 345349846689120. Its totient is φ = 53416087981056.

The previous prime is 166415225511121. The next prime is 166415225511131. The reversal of 166415225511126 is 621115522514661.

It is an interprime number because it is at equal distance from previous prime (166415225511121) and next prime (166415225511131).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166415225511121) 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, 3863989461 + ... + 3864032528.

It is an arithmetic number, because the mean of its divisors is an integer number (10792182709035).

Almost surely, 2^{166415225511126} is an apocalyptic number.

166415225511126 is an abundant number, since it is smaller than the sum of its proper divisors (178934621177994).

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

166415225511126 is a wasteful number, since it uses less digits than its factorization.

166415225511126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728022128.

The product of its digits is 864000, while the sum is 48.

The spelling of 166415225511126 in words is "one hundred sixty-six trillion, four hundred fifteen billion, two hundred twenty-five million, five hundred eleven thousand, one hundred twenty-six".