6461970120167 has 4 divisors (see below), whose sum is σ = 6599458846176. Its totient is φ = 6324481394160.

The previous prime is 6461970120163. The next prime is 6461970120181. The reversal of 6461970120167 is 7610210791646.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6461970120167 - 2² = 6461970120163 is a prime.

It is a super-2 number, since 2×6461970120167² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461970120163) 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, 68744362934 + ... + 68744363027.

It is an arithmetic number, because the mean of its divisors is an integer number (1649864711544).

Almost surely, 2^{6461970120167} is an apocalyptic number.

6461970120167 is a deficient number, since it is larger than the sum of its proper divisors (137488726009).

6461970120167 is a wasteful number, since it uses less digits than its factorization.

6461970120167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137488726008.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 6461970120167 in words is "six trillion, four hundred sixty-one billion, nine hundred seventy million, one hundred twenty thousand, one hundred sixty-seven".