8461670761682 has 4 divisors (see below), whose sum is σ = 12692506142526. Its totient is φ = 4230835380840.

The previous prime is 8461670761681. The next prime is 8461670761717. The reversal of 8461670761682 is 2861670761648.

It is a happy number.

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., 8340538224001 + 121132537681 = 2887999^2 + 348041^2 .

It is not an unprimeable number, because it can be changed into a prime (8461670761681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115417690419 + ... + 2115417690422.

Almost surely, 2^{8461670761682} is an apocalyptic number.

8461670761682 is a deficient number, since it is larger than the sum of its proper divisors (4230835380844).

8461670761682 is a wasteful number, since it uses less digits than its factorization.

8461670761682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230835380843.

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 8461670761682 in words is "eight trillion, four hundred sixty-one billion, six hundred seventy million, seven hundred sixty-one thousand, six hundred eighty-two".