16438760427 has 16 divisors (see below), whose sum is σ = 22531557888. Its totient is φ = 10656797760.

The previous prime is 16438760407. The next prime is 16438760431. The reversal of 16438760427 is 72406783461.

It is a happy number.

It is not a de Polignac number, because 16438760427 - 2³² = 12143793131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16438760407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513063 + ... + 544160.

It is an arithmetic number, because the mean of its divisors is an integer number (1408222368).

Almost surely, 2^16438760427 is an apocalyptic number.

16438760427 is a deficient number, since it is larger than the sum of its proper divisors (6092797461).

16438760427 is a wasteful number, since it uses less digits than its factorization.

16438760427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057370.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 16438760427 in words is "sixteen billion, four hundred thirty-eight million, seven hundred sixty thousand, four hundred twenty-seven".