16545655441257 has 16 divisors (see below), whose sum is σ = 22315471632000. Its totient is φ = 10903212802944.

The previous prime is 16545655441219. The next prime is 16545655441277. The reversal of 16545655441257 is 75214455654561.

It is not a de Polignac number, because 16545655441257 - 2¹⁸ = 16545655179113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16545655441257.

It is not an unprimeable number, because it can be changed into a prime (16545655441277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8449282 + ... + 10221627.

It is an arithmetic number, because the mean of its divisors is an integer number (1394716977000).

Almost surely, 2^{16545655441257} is an apocalyptic number.

It is an amenable number.

16545655441257 is a deficient number, since it is larger than the sum of its proper divisors (5769816190743).

16545655441257 is a wasteful number, since it uses less digits than its factorization.

16545655441257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18674320.

The product of its digits is 100800000, while the sum is 60.

The spelling of 16545655441257 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-five million, four hundred forty-one thousand, two hundred fifty-seven".