65416378 has 8 divisors (see below), whose sum is σ = 98993268. Its totient is φ = 32418624.

The previous prime is 65416349. The next prime is 65416397. The reversal of 65416378 is 87361456.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65173329 + 243049 = 8073^2 + 493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 65416378.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144501 + ... + 144952.

Almost surely, 2^65416378 is an apocalyptic number.

65416378 is a deficient number, since it is larger than the sum of its proper divisors (33576890).

65416378 is a wasteful number, since it uses less digits than its factorization.

65416378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289568.

The product of its digits is 120960, while the sum is 40.

The square root of 65416378 is about 8088.0391937725. The cubic root of 65416378 is about 402.9292833820.

The spelling of 65416378 in words is "sixty-five million, four hundred sixteen thousand, three hundred seventy-eight".