64169448 has 64 divisors (see below), whose sum is σ = 191324160. Its totient is φ = 17535936.

The previous prime is 64169437. The next prime is 64169449. The reversal of 64169448 is 84496146.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (64169449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4440 + ... + 12167.

It is an arithmetic number, because the mean of its divisors is an integer number (2989440).

Almost surely, 2^64169448 is an apocalyptic number.

It is an amenable number.

64169448 is an abundant number, since it is smaller than the sum of its proper divisors (127154712).

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

64169448 is a wasteful number, since it uses less digits than its factorization.

64169448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16646 (or 16642 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 64169448 is about 8010.5834993463. The cubic root of 64169448 is about 400.3527055722.

The spelling of 64169448 in words is "sixty-four million, one hundred sixty-nine thousand, four hundred forty-eight".