65016404 has 24 divisors (see below), whose sum is σ = 121464000. Its totient is φ = 30360960.

The previous prime is 65016403. The next prime is 65016409. The reversal of 65016404 is 40461056.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65016401) 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, 629 + ... + 11420.

It is an arithmetic number, because the mean of its divisors is an integer number (5061000).

Almost surely, 2^65016404 is an apocalyptic number.

It is an amenable number.

65016404 is a deficient number, since it is larger than the sum of its proper divisors (56447596).

65016404 is a wasteful number, since it uses less digits than its factorization.

65016404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12143 (or 12141 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 65016404 is about 8063.2750170139. The cubic root of 65016404 is about 402.1063965962.

The spelling of 65016404 in words is "sixty-five million, sixteen thousand, four hundred four".