161330802 has 8 divisors (see below), whose sum is σ = 322661616. Its totient is φ = 53776932.

The previous prime is 161330801. The next prime is 161330821. The reversal of 161330802 is 208033161.

It is a sphenic number, since it is the product of 3 distinct primes.

161330802 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (161330801) 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, 13444228 + ... + 13444239.

It is an arithmetic number, because the mean of its divisors is an integer number (40332702).

Almost surely, 2^161330802 is an apocalyptic number.

161330802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161330802 is a wasteful number, since it uses less digits than its factorization.

161330802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26888472.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 161330802 is about 12701.6062763731. The cubic root of 161330802 is about 544.3845163001.

Adding to 161330802 its reverse (208033161), we get a palindrome (369363963).

The spelling of 161330802 in words is "one hundred sixty-one million, three hundred thirty thousand, eight hundred two".