16512042445 has 8 divisors (see below), whose sum is σ = 19831150944. Its totient is φ = 13198500624.

The previous prime is 16512042433. The next prime is 16512042451. The reversal of 16512042445 is 54424021561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16512042445 - 2⁷ = 16512042317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16512042445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1385139 + ... + 1397008.

It is an arithmetic number, because the mean of its divisors is an integer number (2478893868).

Almost surely, 2^16512042445 is an apocalyptic number.

It is an amenable number.

16512042445 is a deficient number, since it is larger than the sum of its proper divisors (3319108499).

16512042445 is a wasteful number, since it uses less digits than its factorization.

16512042445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783339.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 16512042445 in words is "sixteen billion, five hundred twelve million, forty-two thousand, four hundred forty-five".