116661226051 has 32 divisors (see below), whose sum is σ = 125736442880. Its totient is φ = 108215092800.

The previous prime is 116661226039. The next prime is 116661226061. The reversal of 116661226051 is 150622166611.

It is not a de Polignac number, because 116661226051 - 2¹⁹ = 116660701763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116661226051.

It is not an unprimeable number, because it can be changed into a prime (116661226001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75605986 + ... + 75607528.

It is an arithmetic number, because the mean of its divisors is an integer number (3929263840).

Almost surely, 2^116661226051 is an apocalyptic number.

116661226051 is a deficient number, since it is larger than the sum of its proper divisors (9075216829).

116661226051 is an equidigital number, since it uses as much as digits as its factorization.

116661226051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 116661226051 in words is "one hundred sixteen billion, six hundred sixty-one million, two hundred twenty-six thousand, fifty-one".