65498818 has 16 divisors (see below), whose sum is σ = 122491584. Its totient is φ = 25518960.

The previous prime is 65498767. The next prime is 65498819. The reversal of 65498818 is 81889456.

It is not an unprimeable number, because it can be changed into a prime (65498819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212505 + ... + 212812.

It is an arithmetic number, because the mean of its divisors is an integer number (7655724).

Almost surely, 2^65498818 is an apocalyptic number.

65498818 is a deficient number, since it is larger than the sum of its proper divisors (56992766).

65498818 is a wasteful number, since it uses less digits than its factorization.

65498818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425337.

The product of its digits is 552960, while the sum is 49.

The square root of 65498818 is about 8093.1340035860. The cubic root of 65498818 is about 403.0984741715.

The spelling of 65498818 in words is "sixty-five million, four hundred ninety-eight thousand, eight hundred eighteen".