65133916 has 24 divisors (see below), whose sum is σ = 118169856. Its totient is φ = 31392240.

The previous prime is 65133889. The next prime is 65133917. The reversal of 65133916 is 61933156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65133917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10011 + ... + 15181.

It is an arithmetic number, because the mean of its divisors is an integer number (4923744).

Almost surely, 2^65133916 is an apocalyptic number.

It is an amenable number.

65133916 is a deficient number, since it is larger than the sum of its proper divisors (53035940).

65133916 is a wasteful number, since it uses less digits than its factorization.

65133916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289 (or 5287 counting only the distinct ones).

The product of its digits is 14580, while the sum is 34.

The square root of 65133916 is about 8070.5585928113. The cubic root of 65133916 is about 402.3485092746.

It can be divided in two parts, 65133 and 916, that added together give a square (66049 = 257²).

The spelling of 65133916 in words is "sixty-five million, one hundred thirty-three thousand, nine hundred sixteen".