16545122731164 has 24 divisors (see below), whose sum is σ = 38631746513920. Its totient is φ = 5511260890224.

The previous prime is 16545122731147. The next prime is 16545122731171. The reversal of 16545122731164 is 46113722154561.

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, 472484284 + ... + 472519299.

Almost surely, 2^{16545122731164} is an apocalyptic number.

It is an amenable number.

16545122731164 is an abundant number, since it is smaller than the sum of its proper divisors (22086623782756).

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

16545122731164 is a wasteful number, since it uses less digits than its factorization.

16545122731164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945005049 (or 945005047 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The spelling of 16545122731164 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-two million, seven hundred thirty-one thousand, one hundred sixty-four".