1672647347167 has 4 divisors (see below), whose sum is σ = 1672687028376. Its totient is φ = 1672607665960.

The previous prime is 1672647347153. The next prime is 1672647347219. The reversal of 1672647347167 is 7617437462761.

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 1672647347167 - 2²³ = 1672638958559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672647347117) 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, 19777309 + ... + 19861702.

It is an arithmetic number, because the mean of its divisors is an integer number (418171757094).

Almost surely, 2^{1672647347167} is an apocalyptic number.

1672647347167 is a deficient number, since it is larger than the sum of its proper divisors (39681209).

1672647347167 is an equidigital number, since it uses as much as digits as its factorization.

1672647347167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39681208.

The product of its digits is 49787136, while the sum is 61.

The spelling of 1672647347167 in words is "one trillion, six hundred seventy-two billion, six hundred forty-seven million, three hundred forty-seven thousand, one hundred sixty-seven".