65049518 has 16 divisors (see below), whose sum is σ = 98863200. Its totient is φ = 32098176.

The previous prime is 65049487. The next prime is 65049529. The reversal of 65049518 is 81594056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53930 + ... + 55122.

It is an arithmetic number, because the mean of its divisors is an integer number (6178950).

Almost surely, 2^65049518 is an apocalyptic number.

65049518 is a deficient number, since it is larger than the sum of its proper divisors (33813682).

65049518 is a wasteful number, since it uses less digits than its factorization.

65049518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 65049518 is about 8065.3281396357. The cubic root of 65049518 is about 402.1746516337.

The spelling of 65049518 in words is "sixty-five million, forty-nine thousand, five hundred eighteen".