65800416 has 48 divisors (see below), whose sum is σ = 188431488. Its totient is φ = 19939200.

The previous prime is 65800409. The next prime is 65800429. The reversal of 65800416 is 61400856.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30100 + ... + 32211.

It is an arithmetic number, because the mean of its divisors is an integer number (3925656).

Almost surely, 2^65800416 is an apocalyptic number.

65800416 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65800416 is an abundant number, since it is smaller than the sum of its proper divisors (122631072).

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

65800416 is a wasteful number, since it uses less digits than its factorization.

65800416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62335 (or 62327 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 65800416 is about 8111.7455581398. The cubic root of 65800416 is about 403.7162337611.

The spelling of 65800416 in words is "sixty-five million, eight hundred thousand, four hundred sixteen".