118660781406 has 16 divisors (see below), whose sum is σ = 237327210000. Its totient is φ = 39552652608.

The previous prime is 118660781383. The next prime is 118660781429. The reversal of 118660781406 is 604187066811.

It is an interprime number because it is at equal distance from previous prime (118660781383) and next prime (118660781429).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67920 + ... + 491868.

It is an arithmetic number, because the mean of its divisors is an integer number (14832950625).

Almost surely, 2^118660781406 is an apocalyptic number.

118660781406 is an abundant number, since it is smaller than the sum of its proper divisors (118666428594).

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

118660781406 is a wasteful number, since it uses less digits than its factorization.

118660781406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470603.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 118660781406 in words is "one hundred eighteen billion, six hundred sixty million, seven hundred eighty-one thousand, four hundred six".