118071644 has 12 divisors (see below), whose sum is σ = 213750600. Its totient is φ = 57000048.

The previous prime is 118071641. The next prime is 118071649. The reversal of 118071644 is 446170811.

It is a self number, because there is not a number n which added to its sum of digits gives 118071644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118071641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508814 + ... + 509045.

It is an arithmetic number, because the mean of its divisors is an integer number (17812550).

Almost surely, 2^118071644 is an apocalyptic number.

It is an amenable number.

118071644 is a deficient number, since it is larger than the sum of its proper divisors (95678956).

118071644 is a wasteful number, since it uses less digits than its factorization.

118071644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017892 (or 1017890 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 118071644 is about 10866.0776731993. The cubic root of 118071644 is about 490.5860598410.

The spelling of 118071644 in words is "one hundred eighteen million, seventy-one thousand, six hundred forty-four".