65343918 has 32 divisors (see below), whose sum is σ = 134424576. Its totient is φ = 21163968.

The previous prime is 65343911. The next prime is 65343919. The reversal of 65343918 is 81934356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65343911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59571 + ... + 60657.

It is an arithmetic number, because the mean of its divisors is an integer number (4200768).

Almost surely, 2^65343918 is an apocalyptic number.

65343918 is an abundant number, since it is smaller than the sum of its proper divisors (69080658).

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

65343918 is a wasteful number, since it uses less digits than its factorization.

65343918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368.

The product of its digits is 77760, while the sum is 39.

The square root of 65343918 is about 8083.5584985822. The cubic root of 65343918 is about 402.7804570310.

The spelling of 65343918 in words is "sixty-five million, three hundred forty-three thousand, nine hundred eighteen".