65416938 has 24 divisors (see below), whose sum is σ = 132315648. Its totient is φ = 21560112.

The previous prime is 65416933. The next prime is 65416951. The reversal of 65416938 is 83961456.

It is a self number, because there is not a number n which added to its sum of digits gives 65416938.

It is not an unprimeable number, because it can be changed into a prime (65416933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223120 + ... + 223412.

It is an arithmetic number, because the mean of its divisors is an integer number (5513152).

Almost surely, 2^65416938 is an apocalyptic number.

65416938 is an abundant number, since it is smaller than the sum of its proper divisors (66898710).

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

65416938 is a wasteful number, since it uses less digits than its factorization.

65416938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 425 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 65416938 is about 8088.0738127196. The cubic root of 65416938 is about 402.9304331437.

The spelling of 65416938 in words is "sixty-five million, four hundred sixteen thousand, nine hundred thirty-eight".