16344504542 has 32 divisors (see below), whose sum is σ = 26151665664. Its totient is φ = 7647501600.

The previous prime is 16344504521. The next prime is 16344504593. The reversal of 16344504542 is 24540544361.

It is a junction number, because it is equal to n+sod(n) for n = 16344504496 and 16344504505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352067 + ... + 395777.

It is an arithmetic number, because the mean of its divisors is an integer number (817239552).

Almost surely, 2^16344504542 is an apocalyptic number.

16344504542 is a deficient number, since it is larger than the sum of its proper divisors (9807161122).

16344504542 is a wasteful number, since it uses less digits than its factorization.

16344504542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43944.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 16344504542 in words is "sixteen billion, three hundred forty-four million, five hundred four thousand, five hundred forty-two".