16672167841 has 4 divisors (see below), whose sum is σ = 19053906112. Its totient is φ = 14290429572.

The previous prime is 16672167839. The next prime is 16672167851. The reversal of 16672167841 is 14876127661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14876127661 = 17 ⋅875066333.

It is a cyclic number.

It is not a de Polignac number, because 16672167841 - 2¹ = 16672167839 is a prime.

It is a super-2 number, since 2×16672167841² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16672167851) 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 in 3 ways as a sum of consecutive naturals, for example, 1190869125 + ... + 1190869138.

It is an arithmetic number, because the mean of its divisors is an integer number (4763476528).

Almost surely, 2^16672167841 is an apocalyptic number.

It is an amenable number.

16672167841 is a deficient number, since it is larger than the sum of its proper divisors (2381738271).

16672167841 is an equidigital number, since it uses as much as digits as its factorization.

16672167841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381738270.

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

The spelling of 16672167841 in words is "sixteen billion, six hundred seventy-two million, one hundred sixty-seven thousand, eight hundred forty-one".