544355602164 has 144 divisors (see below), whose sum is σ = 1549668120000. Its totient is φ = 159665541120.

The previous prime is 544355602159. The next prime is 544355602177. The reversal of 544355602164 is 461206553445.

544355602164 is a `hidden beast` number, since 5 + 4 + 4 + 3 + 5 + 560 + 21 + 64 = 666.

It is a super-3 number, since 3×544355602164³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2731587 + ... + 2924085.

Almost surely, 2^544355602164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544355602164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774834060000).

544355602164 is an abundant number, since it is smaller than the sum of its proper divisors (1005312517836).

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

544355602164 is a wasteful number, since it uses less digits than its factorization.

544355602164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192750 (or 192745 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 544355602164 in words is "five hundred forty-four billion, three hundred fifty-five million, six hundred two thousand, one hundred sixty-four".