161834460 has 24 divisors (see below), whose sum is σ = 453136656. Its totient is φ = 43155840.

The previous prime is 161834447. The next prime is 161834467. The reversal of 161834460 is 64438161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161834467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348561 + ... + 1348680.

It is an arithmetic number, because the mean of its divisors is an integer number (18880694).

Almost surely, 2^161834460 is an apocalyptic number.

161834460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161834460 is an abundant number, since it is smaller than the sum of its proper divisors (291302196).

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

161834460 is a wasteful number, since it uses less digits than its factorization.

161834460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697253 (or 2697251 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 161834460 is about 12721.4173738621. The cubic root of 161834460 is about 544.9504317627.

The spelling of 161834460 in words is "one hundred sixty-one million, eight hundred thirty-four thousand, four hundred sixty".