16545126451552 has 24 divisors (see below), whose sum is σ = 32699961755496. Its totient is φ = 8240374259712.

The previous prime is 16545126451507. The next prime is 16545126451699. The reversal of 16545126451552 is 25515462154561.

It is a self number, because there is not a number n which added to its sum of digits gives 16545126451552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005896838 + ... + 1005913285.

It is an arithmetic number, because the mean of its divisors is an integer number (1362498406479).

Almost surely, 2^{16545126451552} is an apocalyptic number.

It is an amenable number.

16545126451552 is a deficient number, since it is larger than the sum of its proper divisors (16154835303944).

16545126451552 is a wasteful number, since it uses less digits than its factorization.

16545126451552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011810390 (or 2011810382 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 52.

The spelling of 16545126451552 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-six million, four hundred fifty-one thousand, five hundred fifty-two".