64853916 has 24 divisors (see below), whose sum is σ = 159290880. Its totient is φ = 20480112.

The previous prime is 64853879. The next prime is 64853917. The reversal of 64853916 is 61935846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64853917) 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 7 ways as a sum of consecutive naturals, for example, 141996 + ... + 142451.

It is an arithmetic number, because the mean of its divisors is an integer number (6637120).

Almost surely, 2^64853916 is an apocalyptic number.

It is an amenable number.

64853916 is an abundant number, since it is smaller than the sum of its proper divisors (94436964).

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

64853916 is a wasteful number, since it uses less digits than its factorization.

64853916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284473 (or 284471 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 64853916 is about 8053.1929071642. The cubic root of 64853916 is about 401.7711377693.

It can be divided in two parts, 6485 and 3916, that added together give a palindrome (10401).

The spelling of 64853916 in words is "sixty-four million, eight hundred fifty-three thousand, nine hundred sixteen".