8161404713167 has 4 divisors (see below), whose sum is σ = 8161472578320. Its totient is φ = 8161336848016.

The previous prime is 8161404713153. The next prime is 8161404713171. The reversal of 8161404713167 is 7613174041618.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8161404713167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8161404713167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8161404713767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33751867 + ... + 33992812.

It is an arithmetic number, because the mean of its divisors is an integer number (2040368144580).

Almost surely, 2^{8161404713167} is an apocalyptic number.

8161404713167 is a deficient number, since it is larger than the sum of its proper divisors (67865153).

8161404713167 is a wasteful number, since it uses less digits than its factorization.

8161404713167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67865152.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 8161404713167 in words is "eight trillion, one hundred sixty-one billion, four hundred four million, seven hundred thirteen thousand, one hundred sixty-seven".