83546064538 has 16 divisors (see below), whose sum is σ = 125650103040. Its totient is φ = 41662766736.

The previous prime is 83546064493. The next prime is 83546064551.

83546064538 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×83546064538² (a number of 23 digits) contains 22 as substring.

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, 2638456 + ... + 2669932.

It is an arithmetic number, because the mean of its divisors is an integer number (7853131440).

Almost surely, 2^83546064538 is an apocalyptic number.

83546064538 is a deficient number, since it is larger than the sum of its proper divisors (42104038502).

83546064538 is a wasteful number, since it uses less digits than its factorization.

83546064538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34941.

The product of its (nonzero) digits is 8294400, while the sum is 52.

It can be divided in two parts, 835460 and 64538, that added together give a palindrome (899998).

The spelling of 83546064538 in words is "eighty-three billion, five hundred forty-six million, sixty-four thousand, five hundred thirty-eight".