13130176057666 has 4 divisors (see below), whose sum is σ = 19695264086502. Its totient is φ = 6565088028832.

The previous prime is 13130176057637. The next prime is 13130176057699. The reversal of 13130176057666 is 66675067103131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13084389045225 + 45787012441 = 3617235^2 + 213979^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282544014415 + ... + 3282544014418.

Almost surely, 2^{13130176057666} is an apocalyptic number.

13130176057666 is a deficient number, since it is larger than the sum of its proper divisors (6565088028836).

13130176057666 is an equidigital number, since it uses as much as digits as its factorization.

13130176057666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565088028835.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 13130176057666 in words is "thirteen trillion, one hundred thirty billion, one hundred seventy-six million, fifty-seven thousand, six hundred sixty-six".