83668560290704 has 15 divisors (see below), whose sum is σ = 162107906452923. Its totient is φ = 41834261851248.

The previous prime is 83668560290641. The next prime is 83668560290747. The reversal of 83668560290704 is 40709206586638.

The square root of 83668560290704 is 9147052.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×83668560290704² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35444827 + ... + 37731589.

Almost surely, 2^{83668560290704} is an apocalyptic number.

83668560290704 is the 9147052-nd square number.

It is an amenable number.

83668560290704 is a deficient number, since it is larger than the sum of its proper divisors (78439346162219).

83668560290704 is an frugal number, since it uses more digits than its factorization.

83668560290704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573534 (or 2286765 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 83668560290704 in words is "eighty-three trillion, six hundred sixty-eight billion, five hundred sixty million, two hundred ninety thousand, seven hundred four".