549675820416 has 64 divisors (see below), whose sum is σ = 1461788964720. Its totient is φ = 183010363392.

The previous prime is 549675820409. The next prime is 549675820451. The reversal of 549675820416 is 614028576945.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511515 + ... + 1166618.

Almost surely, 2^549675820416 is an apocalyptic number.

It is an amenable number.

549675820416 is an abundant number, since it is smaller than the sum of its proper divisors (912113144304).

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

549675820416 is a wasteful number, since it uses less digits than its factorization.

549675820416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679003 (or 1678991 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 549675820416 in words is "five hundred forty-nine billion, six hundred seventy-five million, eight hundred twenty thousand, four hundred sixteen".