161062404 has 48 divisors (see below), whose sum is σ = 391849920. Its totient is φ = 51425920.

The previous prime is 161062381. The next prime is 161062409. The reversal of 161062404 is 404260161.

It is not an unprimeable number, because it can be changed into a prime (161062409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43822 + ... + 47354.

It is an arithmetic number, because the mean of its divisors is an integer number (8163540).

Almost surely, 2^161062404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161062404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195924960).

161062404 is an abundant number, since it is smaller than the sum of its proper divisors (230787516).

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

161062404 is a wasteful number, since it uses less digits than its factorization.

161062404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700 (or 3698 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 161062404 is about 12691.0363643006. The cubic root of 161062404 is about 544.0824602868.

The spelling of 161062404 in words is "one hundred sixty-one million, sixty-two thousand, four hundred four".