83605266338 has 32 divisors (see below), whose sum is σ = 139751516160. Its totient is φ = 37185294160.

The previous prime is 83605266337. The next prime is 83605266347. The reversal of 83605266338 is 83366250638.

It is not an unprimeable number, because it can be changed into a prime (83605266337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7214633 + ... + 7226211.

It is an arithmetic number, because the mean of its divisors is an integer number (4367234880).

Almost surely, 2^83605266338 is an apocalyptic number.

83605266338 is a deficient number, since it is larger than the sum of its proper divisors (56146249822).

83605266338 is a wasteful number, since it uses less digits than its factorization.

83605266338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18622.

The product of its (nonzero) digits is 3732480, while the sum is 50.

It can be divided in two parts, 83605 and 266338, that added together give a palindrome (349943).

The spelling of 83605266338 in words is "eighty-three billion, six hundred five million, two hundred sixty-six thousand, three hundred thirty-eight".