161834150 has 12 divisors (see below), whose sum is σ = 301011612. Its totient is φ = 64733640.

The previous prime is 161834119. The next prime is 161834161. The reversal of 161834150 is 51438161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1618292 + ... + 1618391.

It is an arithmetic number, because the mean of its divisors is an integer number (25084301).

Almost surely, 2^161834150 is an apocalyptic number.

161834150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161834150 is a deficient number, since it is larger than the sum of its proper divisors (139177462).

161834150 is a wasteful number, since it uses less digits than its factorization.

161834150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236695 (or 3236690 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 161834150 is about 12721.4051896793. The cubic root of 161834150 is about 544.9500838047.

The spelling of 161834150 in words is "one hundred sixty-one million, eight hundred thirty-four thousand, one hundred fifty".