118866132 has 144 divisors (see below), whose sum is σ = 378548352. Its totient is φ = 30551040.

The previous prime is 118866131. The next prime is 118866133. The reversal of 118866132 is 231668811.

It is an interprime number because it is at equal distance from previous prime (118866131) and next prime (118866133).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118866131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 379608 + ... + 379920.

It is an arithmetic number, because the mean of its divisors is an integer number (2628808).

Almost surely, 2^118866132 is an apocalyptic number.

118866132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118866132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189274176).

118866132 is an abundant number, since it is smaller than the sum of its proper divisors (259682220).

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

118866132 is a wasteful number, since it uses less digits than its factorization.

118866132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 473 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 118866132 is about 10902.5745583325. The cubic root of 118866132 is about 491.6839632078.

The spelling of 118866132 in words is "one hundred eighteen million, eight hundred sixty-six thousand, one hundred thirty-two".