16454307193 has 4 divisors (see below), whose sum is σ = 16985091328. Its totient is φ = 15923523060.

The previous prime is 16454307169. The next prime is 16454307197. The reversal of 16454307193 is 39170345461.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16454307193 is a prime.

It is a super-2 number, since 2×16454307193² (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 (16454307197) 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, 265392021 + ... + 265392082.

It is an arithmetic number, because the mean of its divisors is an integer number (4246272832).

Almost surely, 2^16454307193 is an apocalyptic number.

It is an amenable number.

16454307193 is a deficient number, since it is larger than the sum of its proper divisors (530784135).

16454307193 is an equidigital number, since it uses as much as digits as its factorization.

16454307193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530784134.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 16454307193 in words is "sixteen billion, four hundred fifty-four million, three hundred seven thousand, one hundred ninety-three".