544163997886 has 16 divisors (see below), whose sum is σ = 838326432960. Its totient is φ = 264722199840.

The previous prime is 544163997869. The next prime is 544163997889. The reversal of 544163997886 is 688799361445.

It is a happy number.

It is a super-2 number, since 2×544163997886² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544163997889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5488360 + ... + 5586628.

It is an arithmetic number, because the mean of its divisors is an integer number (52395402060).

Almost surely, 2^544163997886 is an apocalyptic number.

544163997886 is a deficient number, since it is larger than the sum of its proper divisors (294162435074).

544163997886 is a wasteful number, since it uses less digits than its factorization.

544163997886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173139.

The product of its digits is 313528320, while the sum is 70.

The spelling of 544163997886 in words is "five hundred forty-four billion, one hundred sixty-three million, nine hundred ninety-seven thousand, eight hundred eighty-six".