537889680216 has 80 divisors (see below), whose sum is σ = 1721816186640. Its totient is φ = 153682764480.

The previous prime is 537889680169. The next prime is 537889680227. The reversal of 537889680216 is 612086988735.

537889680216 is a `hidden beast` number, since 537 + 8 + 8 + 9 + 6 + 80 + 2 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59286655 + ... + 59295726.

It is an arithmetic number, because the mean of its divisors is an integer number (21522702333).

Almost surely, 2^537889680216 is an apocalyptic number.

537889680216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

537889680216 is an abundant number, since it is smaller than the sum of its proper divisors (1183926506424).

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

537889680216 is a wasteful number, since it uses less digits than its factorization.

537889680216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118582406 (or 118582393 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 537889680216 in words is "five hundred thirty-seven billion, eight hundred eighty-nine million, six hundred eighty thousand, two hundred sixteen".