161069496 has 64 divisors (see below), whose sum is σ = 463034880. Its totient is φ = 45736320.

The previous prime is 161069477. The next prime is 161069497. The reversal of 161069496 is 694960161.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161069497) 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, 25186 + ... + 30926.

It is an arithmetic number, because the mean of its divisors is an integer number (7234920).

Almost surely, 2^161069496 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 161069496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231517440).

161069496 is an abundant number, since it is smaller than the sum of its proper divisors (301965384).

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

161069496 is a wasteful number, since it uses less digits than its factorization.

161069496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924 (or 5920 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 161069496 is about 12691.3157710302. The cubic root of 161069496 is about 544.0904459621.

The spelling of 161069496 in words is "one hundred sixty-one million, sixty-nine thousand, four hundred ninety-six".