83261616238 has 16 divisors (see below), whose sum is σ = 126211198176. Its totient is φ = 41191754400.

The previous prime is 83261616209. The next prime is 83261616239.

83261616238 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83261616239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178120 + ... + 445252.

It is an arithmetic number, because the mean of its divisors is an integer number (7888199886).

Almost surely, 2^83261616238 is an apocalyptic number.

83261616238 is a deficient number, since it is larger than the sum of its proper divisors (42949581938).

83261616238 is a wasteful number, since it uses less digits than its factorization.

83261616238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268779.

The product of its digits is 497664, while the sum is 46.

The spelling of 83261616238 in words is "eighty-three billion, two hundred sixty-one million, six hundred sixteen thousand, two hundred thirty-eight".