161841054 has 32 divisors (see below), whose sum is σ = 354546720. Its totient is φ = 49021952.

The previous prime is 161841023. The next prime is 161841067. The reversal of 161841054 is 450148161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24399 + ... + 30314.

It is an arithmetic number, because the mean of its divisors is an integer number (11079585).

Almost surely, 2^161841054 is an apocalyptic number.

161841054 is an abundant number, since it is smaller than the sum of its proper divisors (192705666).

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

161841054 is a wasteful number, since it uses less digits than its factorization.

161841054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54764.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 161841054 is about 12721.6765404565. The cubic root of 161841054 is about 544.9578330589.

The spelling of 161841054 in words is "one hundred sixty-one million, eight hundred forty-one thousand, fifty-four".