16051617451 has 2 divisors, whose sum is σ = 16051617452. Its totient is φ = 16051617450.

The previous prime is 16051617443. The next prime is 16051617469. The reversal of 16051617451 is 15471615061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16051617451 - 2³ = 16051617443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16051617451.

It is not a weakly prime, because it can be changed into another prime (16051617151) 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, 8025808725 + 8025808726.

It is an arithmetic number, because the mean of its divisors is an integer number (8025808726).

Almost surely, 2^16051617451 is an apocalyptic number.

16051617451 is a deficient number, since it is larger than the sum of its proper divisors (1).

16051617451 is an equidigital number, since it uses as much as digits as its factorization.

16051617451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 16051617451 in words is "sixteen billion, fifty-one million, six hundred seventeen thousand, four hundred fifty-one".