16432451540623 has 2 divisors, whose sum is σ = 16432451540624. Its totient is φ = 16432451540622.

The previous prime is 16432451540611. The next prime is 16432451540651. The reversal of 16432451540623 is 32604515423461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16432451540623 - 2⁵ = 16432451540591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16432451540123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216225770311 + 8216225770312.

It is an arithmetic number, because the mean of its divisors is an integer number (8216225770312).

Almost surely, 2^{16432451540623} is an apocalyptic number.

16432451540623 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432451540623 is an equidigital number, since it uses as much as digits as its factorization.

16432451540623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 16432451540623 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, five hundred forty thousand, six hundred twenty-three".