16432311451 has 2 divisors, whose sum is σ = 16432311452. Its totient is φ = 16432311450.

The previous prime is 16432311439. The next prime is 16432311479. The reversal of 16432311451 is 15411323461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16432311451 - 2⁷ = 16432311323 is a prime.

It is not a weakly prime, because it can be changed into another prime (16432311421) 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 as a sum of consecutive naturals, namely, 8216155725 + 8216155726.

It is an arithmetic number, because the mean of its divisors is an integer number (8216155726).

Almost surely, 2^16432311451 is an apocalyptic number.

16432311451 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432311451 is an equidigital number, since it uses as much as digits as its factorization.

16432311451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The spelling of 16432311451 in words is "sixteen billion, four hundred thirty-two million, three hundred eleven thousand, four hundred fifty-one".