65416923 has 32 divisors (see below), whose sum is σ = 113863680. Its totient is φ = 36594720.

The previous prime is 65416921. The next prime is 65416933. The reversal of 65416923 is 32961456.

It is a happy number.

It is not a de Polignac number, because 65416923 - 2¹ = 65416921 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (65416921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4611 + ... + 12332.

It is an arithmetic number, because the mean of its divisors is an integer number (3558240).

Almost surely, 2^65416923 is an apocalyptic number.

65416923 is a deficient number, since it is larger than the sum of its proper divisors (48446757).

65416923 is a wasteful number, since it uses less digits than its factorization.

65416923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16976 (or 16970 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 65416923 is about 8088.0728854283. The cubic root of 65416923 is about 402.9304023466.

The spelling of 65416923 in words is "sixty-five million, four hundred sixteen thousand, nine hundred twenty-three".