16545170445772 has 6 divisors (see below), whose sum is σ = 28954048280108. Its totient is φ = 8272585222884.

The previous prime is 16545170445761. The next prime is 16545170445799. The reversal of 16545170445772 is 27754407154561.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068146305718 + ... + 2068146305725.

Almost surely, 2^{16545170445772} is an apocalyptic number.

It is an amenable number.

16545170445772 is a deficient number, since it is larger than the sum of its proper divisors (12408877834336).

16545170445772 is a wasteful number, since it uses less digits than its factorization.

16545170445772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136292611447 (or 4136292611445 counting only the distinct ones).

The product of its (nonzero) digits is 32928000, while the sum is 58.

The spelling of 16545170445772 in words is "sixteen trillion, five hundred forty-five billion, one hundred seventy million, four hundred forty-five thousand, seven hundred seventy-two".