161150946 has 48 divisors (see below), whose sum is σ = 359661792. Its totient is φ = 48090240.

The previous prime is 161150933. The next prime is 161150981. The reversal of 161150946 is 649051161.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 46986 + ... + 50298.

It is an arithmetic number, because the mean of its divisors is an integer number (7492954).

Almost surely, 2^161150946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161150946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179830896).

161150946 is an abundant number, since it is smaller than the sum of its proper divisors (198510846).

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

161150946 is a wasteful number, since it uses less digits than its factorization.

161150946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407 (or 3396 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 161150946 is about 12694.5242526059. The cubic root of 161150946 is about 544.1821428177.

The spelling of 161150946 in words is "one hundred sixty-one million, one hundred fifty thousand, nine hundred forty-six".