16561482846 has 32 divisors (see below), whose sum is σ = 34027142688. Its totient is φ = 5370562560.

The previous prime is 16561482827. The next prime is 16561482871. The reversal of 16561482846 is 64828416561.

It is a congruent number.

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, 8521 + ... + 182196.

It is an arithmetic number, because the mean of its divisors is an integer number (1063348209).

Almost surely, 2^16561482846 is an apocalyptic number.

16561482846 is an abundant number, since it is smaller than the sum of its proper divisors (17465659842).

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

16561482846 is a wasteful number, since it uses less digits than its factorization.

16561482846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191116.

The product of its digits is 2211840, while the sum is 51.

The spelling of 16561482846 in words is "sixteen billion, five hundred sixty-one million, four hundred eighty-two thousand, eight hundred forty-six".