161333364 has 24 divisors (see below), whose sum is σ = 378138880. Its totient is φ = 53535744.

The previous prime is 161333363. The next prime is 161333369. The reversal of 161333364 is 463333161.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161333363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27469 + ... + 32820.

Almost surely, 2^161333364 is an apocalyptic number.

It is an amenable number.

161333364 is an abundant number, since it is smaller than the sum of its proper divisors (216805516).

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

161333364 is a wasteful number, since it uses less digits than its factorization.

161333364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60519 (or 60517 counting only the distinct ones).

The product of its digits is 11664, while the sum is 30.

The square root of 161333364 is about 12701.7071293586. The cubic root of 161333364 is about 544.3873979688.

The spelling of 161333364 in words is "one hundred sixty-one million, three hundred thirty-three thousand, three hundred sixty-four".