6690116748676 has 27 divisors (see below), whose sum is σ = 12000603251973. Its totient is φ = 3263368123680.

The previous prime is 6690116748673. The next prime is 6690116748719. The reversal of 6690116748676 is 6768476110966.

The square root of 6690116748676 is 2586526.

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

It can be written as a sum of positive squares in only one way, i.e., 322367315076 + 6367749433600 = 567774^2 + 2523440^2 .

It is a super-2 number, since 2×6690116748676² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6690116748673) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 212079361 + ... + 212110903.

Almost surely, 2^{6690116748676} is an apocalyptic number.

6690116748676 is the 2586526-th square number.

It is an amenable number.

6690116748676 is a deficient number, since it is larger than the sum of its proper divisors (5310486503297).

6690116748676 is an frugal number, since it uses more digits than its factorization.

6690116748676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63172 (or 31586 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 6690116748676 in words is "six trillion, six hundred ninety billion, one hundred sixteen million, seven hundred forty-eight thousand, six hundred seventy-six".