6377952193066 has 4 divisors (see below), whose sum is σ = 9566928289602. Its totient is φ = 3188976096532.

The previous prime is 6377952193061. The next prime is 6377952193073. The reversal of 6377952193066 is 6603912597736.

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., 6349316446225 + 28635746841 = 2519785^2 + 169221^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6377952192989 and 6377952193007.

It is not an unprimeable number, because it can be changed into a prime (6377952193061) by changing a digit.

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, 1594488048265 + ... + 1594488048268.

Almost surely, 2^{6377952193066} is an apocalyptic number.

6377952193066 is a deficient number, since it is larger than the sum of its proper divisors (3188976096536).

6377952193066 is a wasteful number, since it uses less digits than its factorization.

6377952193066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188976096535.

The product of its (nonzero) digits is 77157360, while the sum is 64.

The spelling of 6377952193066 in words is "six trillion, three hundred seventy-seven billion, nine hundred fifty-two million, one hundred ninety-three thousand, sixty-six".