4172230161 has 24 divisors (see below), whose sum is σ = 6794086880. Its totient is φ = 2528622360.

The previous prime is 4172230157. The next prime is 4172230171. The reversal of 4172230161 is 1610322714.

4172230161 is a `hidden beast` number, since 417 + 2 + 230 + 16 + 1 = 666.

It is not a de Polignac number, because 4172230161 - 2² = 4172230157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4172230171) 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 23 ways as a sum of consecutive naturals, for example, 635275 + ... + 641808.

Almost surely, 2^4172230161 is an apocalyptic number.

It is an amenable number.

4172230161 is a deficient number, since it is larger than the sum of its proper divisors (2621856719).

4172230161 is a wasteful number, since it uses less digits than its factorization.

4172230161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277114 (or 1277097 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 4172230161 is about 64592.8027027780. The cubic root of 4172230161 is about 1609.8648551093.

Adding to 4172230161 its reverse (1610322714), we get a palindrome (5782552875).

The spelling of 4172230161 in words is "four billion, one hundred seventy-two million, two hundred thirty thousand, one hundred sixty-one".