185016740 has 12 divisors (see below), whose sum is σ = 388535196. Its totient is φ = 74006688.

The previous prime is 185016739. The next prime is 185016787. The reversal of 185016740 is 47610581.

It is a happy number.

185016740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55830784 + 129185956 = 7472^2 + 11366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 185016697 and 185016706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4625399 + ... + 4625438.

It is an arithmetic number, because the mean of its divisors is an integer number (32377933).

Almost surely, 2^185016740 is an apocalyptic number.

185016740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

185016740 is an abundant number, since it is smaller than the sum of its proper divisors (203518456).

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

185016740 is a wasteful number, since it uses less digits than its factorization.

185016740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9250846 (or 9250844 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 185016740 is about 13602.0858694540. The cubic root of 185016740 is about 569.8191074701.

The spelling of 185016740 in words is "one hundred eighty-five million, sixteen thousand, seven hundred forty".