16452372971 has 4 divisors (see below), whose sum is σ = 16483951944. Its totient is φ = 16420794000.

The previous prime is 16452372919. The next prime is 16452372977. The reversal of 16452372971 is 17927325461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17927325461 = 127 ⋅141160043.

It is a cyclic number.

It is not a de Polignac number, because 16452372971 - 2⁶ = 16452372907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16452372977) 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, 15788705 + ... + 15789746.

It is an arithmetic number, because the mean of its divisors is an integer number (4120987986).

Almost surely, 2^16452372971 is an apocalyptic number.

16452372971 is a deficient number, since it is larger than the sum of its proper divisors (31578973).

16452372971 is an equidigital number, since it uses as much as digits as its factorization.

16452372971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31578972.

The product of its digits is 635040, while the sum is 47.

The spelling of 16452372971 in words is "sixteen billion, four hundred fifty-two million, three hundred seventy-two thousand, nine hundred seventy-one".