65418836 has 24 divisors (see below), whose sum is σ = 131361216. Its totient is φ = 27924480.

The previous prime is 65418833. The next prime is 65418853. The reversal of 65418836 is 63881456.

It is a junction number, because it is equal to n+sod(n) for n = 65418793 and 65418802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65418833) 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, 2651 + ... + 11741.

It is an arithmetic number, because the mean of its divisors is an integer number (5473384).

Almost surely, 2^65418836 is an apocalyptic number.

It is an amenable number.

65418836 is an abundant number, since it is smaller than the sum of its proper divisors (65942380).

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

65418836 is a wasteful number, since it uses less digits than its factorization.

65418836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359 (or 9357 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 65418836 is about 8088.1911451201. The cubic root of 65418836 is about 402.9343299661.

The spelling of 65418836 in words is "sixty-five million, four hundred eighteen thousand, eight hundred thirty-six".