161246455 has 8 divisors (see below), whose sum is σ = 193585392. Its totient is φ = 128937408.

The previous prime is 161246453. The next prime is 161246471. The reversal of 161246455 is 554642161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161246455 - 2¹ = 161246453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161246455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161246453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6924 + ... + 19246.

It is an arithmetic number, because the mean of its divisors is an integer number (24198174).

Almost surely, 2^161246455 is an apocalyptic number.

161246455 is a deficient number, since it is larger than the sum of its proper divisors (32338937).

161246455 is a wasteful number, since it uses less digits than its factorization.

161246455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14945.

The product of its digits is 28800, while the sum is 34.

The square root of 161246455 is about 12698.2855141944. The cubic root of 161246455 is about 544.2896280236.

The spelling of 161246455 in words is "one hundred sixty-one million, two hundred forty-six thousand, four hundred fifty-five".