65067816 has 32 divisors (see below), whose sum is σ = 177458400. Its totient is φ = 19717440.

The previous prime is 65067803. The next prime is 65067829. The reversal of 65067816 is 61876056.

65067816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65067803) and next prime (65067829).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122971 + ... + 123498.

It is an arithmetic number, because the mean of its divisors is an integer number (5545575).

Almost surely, 2^65067816 is an apocalyptic number.

65067816 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65067816 is an abundant number, since it is smaller than the sum of its proper divisors (112390584).

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

65067816 is a wasteful number, since it uses less digits than its factorization.

65067816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246489 (or 246485 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 65067816 is about 8066.4624216567. The cubic root of 65067816 is about 402.2123577899.

The spelling of 65067816 in words is "sixty-five million, sixty-seven thousand, eight hundred sixteen".