471812161 has 16 divisors (see below), whose sum is σ = 502490560. Its totient is φ = 441754560.

The previous prime is 471812147. The next prime is 471812167. The reversal of 471812161 is 161218174.

It is not a de Polignac number, because 471812161 - 2⁵ = 471812129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471812167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826006 + ... + 826576.

It is an arithmetic number, because the mean of its divisors is an integer number (31405660).

Almost surely, 2^471812161 is an apocalyptic number.

It is an amenable number.

471812161 is a deficient number, since it is larger than the sum of its proper divisors (30678399).

471812161 is a wasteful number, since it uses less digits than its factorization.

471812161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024.

The product of its digits is 2688, while the sum is 31.

The square root of 471812161 is about 21721.2375568244. The cubic root of 471812161 is about 778.4959846464.

The spelling of 471812161 in words is "four hundred seventy-one million, eight hundred twelve thousand, one hundred sixty-one".