5664631455144 has 48 divisors (see below), whose sum is σ = 15345526372020. Its totient is φ = 1887740801280.

The previous prime is 5664631455143. The next prime is 5664631455149. The reversal of 5664631455144 is 4415541364665.

5664631455144 is a `hidden beast` number, since 5 + 6 + 6 + 46 + 3 + 1 + 4 + 551 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3956669983044 + 1707961472100 = 1989138^2 + 1306890^2 .

It is not an unprimeable number, because it can be changed into a prime (5664631455143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9493557 + ... + 10072580.

Almost surely, 2^{5664631455144} is an apocalyptic number.

It is an amenable number.

5664631455144 is an abundant number, since it is smaller than the sum of its proper divisors (9680894916876).

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

5664631455144 is a wasteful number, since it uses less digits than its factorization.

5664631455144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19570170 (or 19570163 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 54.

The spelling of 5664631455144 in words is "five trillion, six hundred sixty-four billion, six hundred thirty-one million, four hundred fifty-five thousand, one hundred forty-four".