16264554434 has 4 divisors (see below), whose sum is σ = 24396831654. Its totient is φ = 8132277216.

The previous prime is 16264554413. The next prime is 16264554463. The reversal of 16264554434 is 43445546261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13111395025 + 3153159409 = 114505^2 + 56153^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4066138607 + ... + 4066138610.

Almost surely, 2^16264554434 is an apocalyptic number.

16264554434 is a deficient number, since it is larger than the sum of its proper divisors (8132277220).

16264554434 is an equidigital number, since it uses as much as digits as its factorization.

16264554434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8132277219.

The product of its digits is 1382400, while the sum is 44.

The spelling of 16264554434 in words is "sixteen billion, two hundred sixty-four million, five hundred fifty-four thousand, four hundred thirty-four".