16545655744506 has 96 divisors (see below), whose sum is σ = 41080096512000. Its totient is φ = 4714658887680.

The previous prime is 16545655744487. The next prime is 16545655744547. The reversal of 16545655744506 is 60544755654561.

It is a happy number.

16545655744506 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 5 + 6 + 5 + 574 + 4 + 50 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126603876 + ... + 126734496.

It is an arithmetic number, because the mean of its divisors is an integer number (427917672000).

Almost surely, 2^{16545655744506} is an apocalyptic number.

16545655744506 is an abundant number, since it is smaller than the sum of its proper divisors (24534440767494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16545655744506 is a wasteful number, since it uses less digits than its factorization.

16545655744506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133324 (or 133321 counting only the distinct ones).

The product of its (nonzero) digits is 302400000, while the sum is 63.

The spelling of 16545655744506 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-five million, seven hundred forty-four thousand, five hundred six".