161414250 has 64 divisors (see below), whose sum is σ = 407901312. Its totient is φ = 42508800.

The previous prime is 161414237. The next prime is 161414251. The reversal of 161414250 is 52414161.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 161414250.

It is not an unprimeable number, because it can be changed into a prime (161414251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60954 + ... + 63546.

It is an arithmetic number, because the mean of its divisors is an integer number (6373458).

Almost surely, 2^161414250 is an apocalyptic number.

161414250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 161414250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203950656).

161414250 is an abundant number, since it is smaller than the sum of its proper divisors (246487062).

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

161414250 is a wasteful number, since it uses less digits than its factorization.

161414250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696 (or 2686 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 161414250 is about 12704.8907905578. The cubic root of 161414250 is about 544.4783606835.

The spelling of 161414250 in words is "one hundred sixty-one million, four hundred fourteen thousand, two hundred fifty".