65418036 has 12 divisors (see below), whose sum is σ = 152642112. Its totient is φ = 21806008.

The previous prime is 65418019. The next prime is 65418037. The reversal of 65418036 is 63081456.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 65417988 and 65418006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65418037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2725740 + ... + 2725763.

It is an arithmetic number, because the mean of its divisors is an integer number (12720176).

Almost surely, 2^65418036 is an apocalyptic number.

It is an amenable number.

65418036 is an abundant number, since it is smaller than the sum of its proper divisors (87224076).

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

65418036 is a wasteful number, since it uses less digits than its factorization.

65418036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451510 (or 5451508 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 65418036 is about 8088.1416901536. The cubic root of 65418036 is about 402.9326874791.

The spelling of 65418036 in words is "sixty-five million, four hundred eighteen thousand, thirty-six".