6416436144 has 20 divisors (see below), whose sum is σ = 16575793496. Its totient is φ = 2138812032.

The previous prime is 6416436139. The next prime is 6416436167. The reversal of 6416436144 is 4416346146.

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, 66837829 + ... + 66837924.

Almost surely, 2^6416436144 is an apocalyptic number.

It is an amenable number.

6416436144 is an abundant number, since it is smaller than the sum of its proper divisors (10159357352).

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

6416436144 is a wasteful number, since it uses less digits than its factorization.

6416436144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133675764 (or 133675758 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 6416436144 is about 80102.6600307381. The cubic root of 6416436144 is about 1858.2235461042.

The spelling of 6416436144 in words is "six billion, four hundred sixteen million, four hundred thirty-six thousand, one hundred forty-four".