544707666864 has 80 divisors (see below), whose sum is σ = 1564286605440. Its totient is φ = 181479355200.

The previous prime is 544707666857. The next prime is 544707666889. The reversal of 544707666864 is 468666707445.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564639 + ... + 1186689.

It is an arithmetic number, because the mean of its divisors is an integer number (19553582568).

Almost surely, 2^544707666864 is an apocalyptic number.

544707666864 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

544707666864 is an abundant number, since it is smaller than the sum of its proper divisors (1019578938576).

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

544707666864 is a wasteful number, since it uses less digits than its factorization.

544707666864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624095 (or 624083 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 63.

The spelling of 544707666864 in words is "five hundred forty-four billion, seven hundred seven million, six hundred sixty-six thousand, eight hundred sixty-four".