161755348 has 12 divisors (see below), whose sum is σ = 283862880. Its totient is φ = 80651672.

The previous prime is 161755333. The next prime is 161755367. The reversal of 161755348 is 843557161.

It is a happy number.

It is a super-2 number, since 2×161755348² = 52329585213202208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161755348.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54886 + ... + 57757.

It is an arithmetic number, because the mean of its divisors is an integer number (23655240).

Almost surely, 2^161755348 is an apocalyptic number.

It is an amenable number.

161755348 is a deficient number, since it is larger than the sum of its proper divisors (122107532).

161755348 is a wasteful number, since it uses less digits than its factorization.

161755348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113006 (or 113004 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 161755348 is about 12718.3075918143. The cubic root of 161755348 is about 544.8616184870.

It can be divided in two parts, 1617 and 55348, that added together give a palindrome (56965).

The spelling of 161755348 in words is "one hundred sixty-one million, seven hundred fifty-five thousand, three hundred forty-eight".