16463446477 has 4 divisors (see below), whose sum is σ = 17329943680. Its totient is φ = 15596949276.

The previous prime is 16463446463. The next prime is 16463446501. The reversal of 16463446477 is 77464436461.

It is a happy number.

16463446477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77464436461 = 7517 ⋅10305233.

It is a cyclic number.

It is not a de Polignac number, because 16463446477 - 2²³ = 16455057869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16463446177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433248573 + ... + 433248610.

It is an arithmetic number, because the mean of its divisors is an integer number (4332485920).

Almost surely, 2^16463446477 is an apocalyptic number.

It is an amenable number.

16463446477 is a deficient number, since it is larger than the sum of its proper divisors (866497203).

16463446477 is an equidigital number, since it uses as much as digits as its factorization.

16463446477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866497202.

The product of its digits is 8128512, while the sum is 52.

The spelling of 16463446477 in words is "sixteen billion, four hundred sixty-three million, four hundred forty-six thousand, four hundred seventy-seven".