161046576 has 80 divisors (see below), whose sum is σ = 489477600. Its totient is φ = 50522112.

The previous prime is 161046569. The next prime is 161046601. The reversal of 161046576 is 675640161.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 161046576.

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, 3621 + ... + 18308.

It is an arithmetic number, because the mean of its divisors is an integer number (6118470).

Almost surely, 2^161046576 is an apocalyptic number.

161046576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161046576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244738800).

161046576 is an abundant number, since it is smaller than the sum of its proper divisors (328431024).

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

161046576 is a wasteful number, since it uses less digits than its factorization.

161046576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21963 (or 21951 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 161046576 is about 12690.4127592447. The cubic root of 161046576 is about 544.0646369275.

The spelling of 161046576 in words is "one hundred sixty-one million, forty-six thousand, five hundred seventy-six".