116642478 has 16 divisors (see below), whose sum is σ = 233416656. Its totient is φ = 38858880.

The previous prime is 116642467. The next prime is 116642497. The reversal of 116642478 is 874246611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8950 + ... + 17702.

It is an arithmetic number, because the mean of its divisors is an integer number (14588541).

Almost surely, 2^116642478 is an apocalyptic number.

116642478 is an abundant number, since it is smaller than the sum of its proper divisors (116774178).

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

116642478 is a wasteful number, since it uses less digits than its factorization.

116642478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979.

The product of its digits is 64512, while the sum is 39.

The square root of 116642478 is about 10800.1147216129. The cubic root of 116642478 is about 488.5986310073.

The spelling of 116642478 in words is "one hundred sixteen million, six hundred forty-two thousand, four hundred seventy-eight".