161560284 has 12 divisors (see below), whose sum is σ = 376974024. Its totient is φ = 53853424.

The previous prime is 161560283. The next prime is 161560297. The reversal of 161560284 is 482065161.

161560284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×161560284² = 52203450732321312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161560283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6731667 + ... + 6731690.

It is an arithmetic number, because the mean of its divisors is an integer number (31414502).

Almost surely, 2^161560284 is an apocalyptic number.

It is an amenable number.

161560284 is an abundant number, since it is smaller than the sum of its proper divisors (215413740).

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

161560284 is a wasteful number, since it uses less digits than its factorization.

161560284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13463364 (or 13463362 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 161560284 is about 12710.6366480991. The cubic root of 161560284 is about 544.6425105573.

The spelling of 161560284 in words is "one hundred sixty-one million, five hundred sixty thousand, two hundred eighty-four".