473900161 has 4 divisors (see below), whose sum is σ = 541600192. Its totient is φ = 406200132.

The previous prime is 473900153. The next prime is 473900171. The reversal of 473900161 is 161009374.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 473900161 - 2³ = 473900153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (473900171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33850005 + ... + 33850018.

It is an arithmetic number, because the mean of its divisors is an integer number (135400048).

Almost surely, 2^473900161 is an apocalyptic number.

It is an amenable number.

473900161 is a deficient number, since it is larger than the sum of its proper divisors (67700031).

473900161 is an equidigital number, since it uses as much as digits as its factorization.

473900161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67700030.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 473900161 is about 21769.2480577534. The cubic root of 473900161 is about 779.6427034403.

The spelling of 473900161 in words is "four hundred seventy-three million, nine hundred thousand, one hundred sixty-one".