16531012450254 has 16 divisors (see below), whose sum is σ = 33110431972992. Its totient is φ = 5502269638008.

The previous prime is 16531012450189. The next prime is 16531012450307. The reversal of 16531012450254 is 45205421013561.

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, 2016956914 + ... + 2016965109.

It is an arithmetic number, because the mean of its divisors is an integer number (2069401998312).

Almost surely, 2^{16531012450254} is an apocalyptic number.

16531012450254 is an abundant number, since it is smaller than the sum of its proper divisors (16579419522738).

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

16531012450254 is a wasteful number, since it uses less digits than its factorization.

16531012450254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033922711.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 16531012450254 in words is "sixteen trillion, five hundred thirty-one billion, twelve million, four hundred fifty thousand, two hundred fifty-four".