16531521162 has 32 divisors (see below), whose sum is σ = 36094123968. Its totient is φ = 5016940416.

The previous prime is 16531521109. The next prime is 16531521211. The reversal of 16531521162 is 26112513561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445968 + ... + 1457355.

It is an arithmetic number, because the mean of its divisors is an integer number (1127941374).

Almost surely, 2^16531521162 is an apocalyptic number.

16531521162 is an abundant number, since it is smaller than the sum of its proper divisors (19562602806).

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

16531521162 is a wasteful number, since it uses less digits than its factorization.

16531521162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903414.

The product of its digits is 10800, while the sum is 33.

The spelling of 16531521162 in words is "sixteen billion, five hundred thirty-one million, five hundred twenty-one thousand, one hundred sixty-two".