118311648 has 192 divisors, whose sum is σ = 396264960. Its totient is φ = 30062592.

The previous prime is 118311629. The next prime is 118311659. The reversal of 118311648 is 846113811.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 253111 + ... + 253577.

It is an arithmetic number, because the mean of its divisors is an integer number (2063880).

Almost surely, 2^118311648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118311648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198132480).

118311648 is an abundant number, since it is smaller than the sum of its proper divisors (277953312).

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

118311648 is a wasteful number, since it uses less digits than its factorization.

118311648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 521 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The square root of 118311648 is about 10877.1157941800. The cubic root of 118311648 is about 490.9182393107.

The spelling of 118311648 in words is "one hundred eighteen million, three hundred eleven thousand, six hundred forty-eight".