16545170446004 has 6 divisors (see below), whose sum is σ = 28954048280514. Its totient is φ = 8272585223000.

The previous prime is 16545170445997. The next prime is 16545170446019. The reversal of 16545170446004 is 40064407154561.

It can be written as a sum of positive squares in only one way, i.e., 14103014138404 + 2442156307600 = 3755398^2 + 1562740^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16545170446004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068146305747 + ... + 2068146305754.

It is an arithmetic number, because the mean of its divisors is an integer number (4825674713419).

Almost surely, 2^{16545170446004} is an apocalyptic number.

It is an amenable number.

16545170446004 is a deficient number, since it is larger than the sum of its proper divisors (12408877834510).

16545170446004 is a wasteful number, since it uses less digits than its factorization.

16545170446004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136292611505 (or 4136292611503 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 16545170446004 in words is "sixteen trillion, five hundred forty-five billion, one hundred seventy million, four hundred forty-six thousand, four".