83537128206 has 96 divisors (see below), whose sum is σ = 222022427328. Its totient is φ = 22156001280.

The previous prime is 83537128159. The next prime is 83537128217. The reversal of 83537128206 is 60282173538.

83537128206 is a `hidden beast` number, since 8 + 353 + 71 + 28 + 206 = 666.

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, 110755 + ... + 423486.

It is an arithmetic number, because the mean of its divisors is an integer number (2312733618).

Almost surely, 2^83537128206 is an apocalyptic number.

83537128206 is an abundant number, since it is smaller than the sum of its proper divisors (138485299122).

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

83537128206 is a wasteful number, since it uses less digits than its factorization.

83537128206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534346 (or 534343 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 83537128206 in words is "eighty-three billion, five hundred thirty-seven million, one hundred twenty-eight thousand, two hundred six".