118687981422766 has 16 divisors (see below), whose sum is σ = 203481867055104. Its totient is φ = 50862088741464.

The previous prime is 118687981422737. The next prime is 118687981422767. The reversal of 118687981422766 is 667224189786811.

It is a junction number, because it is equal to n+sod(n) for n = 118687981422692 and 118687981422701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118687981422767) 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, 348908190 + ... + 349248193.

It is an arithmetic number, because the mean of its divisors is an integer number (12717616690944).

Almost surely, 2^{118687981422766} is an apocalyptic number.

118687981422766 is a deficient number, since it is larger than the sum of its proper divisors (84793885632338).

118687981422766 is a wasteful number, since it uses less digits than its factorization.

118687981422766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698168535.

The product of its digits is 780337152, while the sum is 76.

The spelling of 118687981422766 in words is "one hundred eighteen trillion, six hundred eighty-seven billion, nine hundred eighty-one million, four hundred twenty-two thousand, seven hundred sixty-six".