8170349349620 has 24 divisors (see below), whose sum is σ = 17159802924264. Its totient is φ = 3267745589376.

The previous prime is 8170349349581. The next prime is 8170349349629. The reversal of 8170349349620 is 269439430718.

It can be written as a sum of positive squares in 4 ways, for example, as 9648739984 + 8160700609636 = 98228^2 + 2856694^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8170349349629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24464399 + ... + 24796118.

It is an arithmetic number, because the mean of its divisors is an integer number (714991788511).

Almost surely, 2^{8170349349620} is an apocalyptic number.

It is an amenable number.

8170349349620 is an abundant number, since it is smaller than the sum of its proper divisors (8989453574644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8170349349620 is a wasteful number, since it uses less digits than its factorization.

8170349349620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49268819 (or 49268817 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 8170349349620 in words is "eight trillion, one hundred seventy billion, three hundred forty-nine million, three hundred forty-nine thousand, six hundred twenty".