16521401483 has 2 divisors, whose sum is σ = 16521401484. Its totient is φ = 16521401482.

The previous prime is 16521401437. The next prime is 16521401543. The reversal of 16521401483 is 38410412561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16521401483 - 2¹⁰ = 16521400459 is a prime.

It is not a weakly prime, because it can be changed into another prime (16521401383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8260700741 + 8260700742.

It is an arithmetic number, because the mean of its divisors is an integer number (8260700742).

Almost surely, 2^16521401483 is an apocalyptic number.

16521401483 is a deficient number, since it is larger than the sum of its proper divisors (1).

16521401483 is an equidigital number, since it uses as much as digits as its factorization.

16521401483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 16521401483 in words is "sixteen billion, five hundred twenty-one million, four hundred one thousand, four hundred eighty-three".