118011642 has 64 divisors (see below), whose sum is σ = 277807104. Its totient is φ = 32722560.

The previous prime is 118011629. The next prime is 118011661. The reversal of 118011642 is 246110811.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376878 + ... + 377190.

It is an arithmetic number, because the mean of its divisors is an integer number (4340736).

Almost surely, 2^118011642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118011642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138903552).

118011642 is an abundant number, since it is smaller than the sum of its proper divisors (159795462).

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

118011642 is a wasteful number, since it uses less digits than its factorization.

118011642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 118011642 is about 10863.3163444687. The cubic root of 118011642 is about 490.5029432645.

The spelling of 118011642 in words is "one hundred eighteen million, eleven thousand, six hundred forty-two".