64486416 has 20 divisors (see below), whose sum is σ = 166590032. Its totient is φ = 21495456.

The previous prime is 64486381. The next prime is 64486421. The reversal of 64486416 is 61468446.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671686 + ... + 671781.

Almost surely, 2^64486416 is an apocalyptic number.

It is an amenable number.

64486416 is an abundant number, since it is smaller than the sum of its proper divisors (102103616).

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

64486416 is a wasteful number, since it uses less digits than its factorization.

64486416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343478 (or 1343472 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 64486416 is about 8030.3434546724. The cubic root of 64486416 is about 401.0108101720.

The spelling of 64486416 in words is "sixty-four million, four hundred eighty-six thousand, four hundred sixteen".