161348526 has 12 divisors (see below), whose sum is σ = 349588512. Its totient is φ = 53782836.

The previous prime is 161348503. The next prime is 161348531. The reversal of 161348526 is 625843161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4481886 + ... + 4481921.

It is an arithmetic number, because the mean of its divisors is an integer number (29132376).

Almost surely, 2^161348526 is an apocalyptic number.

161348526 is an abundant number, since it is smaller than the sum of its proper divisors (188239986).

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

161348526 is a wasteful number, since it uses less digits than its factorization.

161348526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963815 (or 8963812 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 161348526 is about 12702.3039642421. The cubic root of 161348526 is about 544.4044511539.

The spelling of 161348526 in words is "one hundred sixty-one million, three hundred forty-eight thousand, five hundred twenty-six".