161055476 has 48 divisors (see below), whose sum is σ = 311808000. Its totient is φ = 72448992.

The previous prime is 161055463. The next prime is 161055497. The reversal of 161055476 is 674550161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347621 + ... + 348083.

It is an arithmetic number, because the mean of its divisors is an integer number (6496000).

Almost surely, 2^161055476 is an apocalyptic number.

It is an amenable number.

161055476 is a deficient number, since it is larger than the sum of its proper divisors (150752524).

161055476 is a wasteful number, since it uses less digits than its factorization.

161055476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 161055476 is about 12690.7634128133. The cubic root of 161055476 is about 544.0746590511.

The spelling of 161055476 in words is "one hundred sixty-one million, fifty-five thousand, four hundred seventy-six".