16264543534 has 4 divisors (see below), whose sum is σ = 24396815304. Its totient is φ = 8132271766.

The previous prime is 16264543517. The next prime is 16264543543. The reversal of 16264543534 is 43534546261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43534546261 = 26161 ⋅1664101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4066135882 + ... + 4066135885.

It is an arithmetic number, because the mean of its divisors is an integer number (6099203826).

Almost surely, 2^16264543534 is an apocalyptic number.

16264543534 is a deficient number, since it is larger than the sum of its proper divisors (8132271770).

16264543534 is an equidigital number, since it uses as much as digits as its factorization.

16264543534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132271769.

The product of its digits is 1036800, while the sum is 43.

The spelling of 16264543534 in words is "sixteen billion, two hundred sixty-four million, five hundred forty-three thousand, five hundred thirty-four".