161466954 has 48 divisors (see below), whose sum is σ = 364983840. Its totient is φ = 47225920.

The previous prime is 161466953. The next prime is 161466989. The reversal of 161466954 is 459664161.

It is not an unprimeable number, because it can be changed into a prime (161466953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54052 + ... + 56960.

It is an arithmetic number, because the mean of its divisors is an integer number (7603830).

Almost surely, 2^161466954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161466954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182491920).

161466954 is an abundant number, since it is smaller than the sum of its proper divisors (203516886).

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

161466954 is a wasteful number, since it uses less digits than its factorization.

161466954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983 (or 2954 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 161466954 is about 12706.9647831416. The cubic root of 161466954 is about 544.5376141568.

The spelling of 161466954 in words is "one hundred sixty-one million, four hundred sixty-six thousand, nine hundred fifty-four".