161394024 has 64 divisors (see below), whose sum is σ = 445176000. Its totient is φ = 48350720.

The previous prime is 161394017. The next prime is 161394031. The reversal of 161394024 is 420493161.

It is an interprime number because it is at equal distance from previous prime (161394017) and next prime (161394031).

It is a junction number, because it is equal to n+sod(n) for n = 161393982 and 161394000.

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, 20062 + ... + 26930.

It is an arithmetic number, because the mean of its divisors is an integer number (6955875).

Almost surely, 2^161394024 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 161394024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222588000).

161394024 is an abundant number, since it is smaller than the sum of its proper divisors (283781976).

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

161394024 is a wasteful number, since it uses less digits than its factorization.

161394024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978 (or 6974 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 161394024 is about 12704.0947729462. The cubic root of 161394024 is about 544.4556177940.

The spelling of 161394024 in words is "one hundred sixty-one million, three hundred ninety-four thousand, twenty-four".