6416501144 has 8 divisors (see below), whose sum is σ = 12030939660. Its totient is φ = 3208250568.

The previous prime is 6416501141. The next prime is 6416501197. The reversal of 6416501144 is 4411056146.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 6416501144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6416501141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401031314 + ... + 401031329.

Almost surely, 2^6416501144 is an apocalyptic number.

It is an amenable number.

6416501144 is a deficient number, since it is larger than the sum of its proper divisors (5614438516).

6416501144 is a wasteful number, since it uses less digits than its factorization.

6416501144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802062649 (or 802062645 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 6416501144 is about 80103.0657590582. The cubic root of 6416501144 is about 1858.2298208295.

The spelling of 6416501144 in words is "six billion, four hundred sixteen million, five hundred one thousand, one hundred forty-four".