16448136275 has 6 divisors (see below), whose sum is σ = 20395689012. Its totient is φ = 13158509000.

The previous prime is 16448136241. The next prime is 16448136307. The reversal of 16448136275 is 57263184461.

It is a de Polignac number, because none of the positive numbers 2^k-16448136275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328962701 + ... + 328962750.

It is an arithmetic number, because the mean of its divisors is an integer number (3399281502).

Almost surely, 2^16448136275 is an apocalyptic number.

16448136275 is a deficient number, since it is larger than the sum of its proper divisors (3947552737).

16448136275 is an equidigital number, since it uses as much as digits as its factorization.

16448136275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657925461 (or 657925456 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The spelling of 16448136275 in words is "sixteen billion, four hundred forty-eight million, one hundred thirty-six thousand, two hundred seventy-five".