16464432453 has 8 divisors (see below), whose sum is σ = 25088659008. Its totient is φ = 9408247104.

The previous prime is 16464432437. The next prime is 16464432487. The reversal of 16464432453 is 35423446461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16464432453 - 2⁴ = 16464432437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16464432253) 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 7 ways as a sum of consecutive naturals, for example, 392010276 + ... + 392010317.

It is an arithmetic number, because the mean of its divisors is an integer number (3136082376).

Almost surely, 2^16464432453 is an apocalyptic number.

It is an amenable number.

16464432453 is a deficient number, since it is larger than the sum of its proper divisors (8624226555).

16464432453 is an equidigital number, since it uses as much as digits as its factorization.

16464432453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784020603.

The product of its digits is 829440, while the sum is 42.

The spelling of 16464432453 in words is "sixteen billion, four hundred sixty-four million, four hundred thirty-two thousand, four hundred fifty-three".