5444157663 has 48 divisors (see below), whose sum is σ = 9432573696. Its totient is φ = 3073386240.

The previous prime is 5444157637. The next prime is 5444157671. The reversal of 5444157663 is 3667514445.

5444157663 is a `hidden beast` number, since 544 + 41 + 5 + 7 + 6 + 63 = 666.

It is not a de Polignac number, because 5444157663 - 2⁶ = 5444157599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444157263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121903 + ... + 160463.

It is an arithmetic number, because the mean of its divisors is an integer number (196511952).

Almost surely, 2^5444157663 is an apocalyptic number.

5444157663 is a deficient number, since it is larger than the sum of its proper divisors (3988416033).

5444157663 is an equidigital number, since it uses as much as digits as its factorization.

5444157663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38666 (or 38654 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 5444157663 is about 73784.5353919099. The cubic root of 5444157663 is about 1759.1798071205.

The spelling of 5444157663 in words is "five billion, four hundred forty-four million, one hundred fifty-seven thousand, six hundred sixty-three".