16473165541 has 4 divisors (see below), whose sum is σ = 18826474912. Its totient is φ = 14119856172.

The previous prime is 16473165523. The next prime is 16473165559. The reversal of 16473165541 is 14556137461.

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: 14556137461 = 67 ⋅217255783.

It is an interprime number because it is at equal distance from previous prime (16473165523) and next prime (16473165559).

It is a cyclic number.

It is not a de Polignac number, because 16473165541 - 2²¹ = 16471068389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16473165571) 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, 1176654675 + ... + 1176654688.

It is an arithmetic number, because the mean of its divisors is an integer number (4706618728).

Almost surely, 2^16473165541 is an apocalyptic number.

It is an amenable number.

16473165541 is a deficient number, since it is larger than the sum of its proper divisors (2353309371).

16473165541 is an equidigital number, since it uses as much as digits as its factorization.

16473165541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353309370.

The product of its digits is 302400, while the sum is 43.

The spelling of 16473165541 in words is "sixteen billion, four hundred seventy-three million, one hundred sixty-five thousand, five hundred forty-one".