4166145431 has 4 divisors (see below), whose sum is σ = 4761309072. Its totient is φ = 3570981792.

The previous prime is 4166145427. The next prime is 4166145461. The reversal of 4166145431 is 1345416614.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4166145431 - 2² = 4166145427 is a prime.

It is a super-2 number, since 2×4166145431² = 34713535504484351522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4166145391 and 4166145400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166145421) 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 3 ways as a sum of consecutive naturals, for example, 297581810 + ... + 297581823.

It is an arithmetic number, because the mean of its divisors is an integer number (1190327268).

Almost surely, 2^4166145431 is an apocalyptic number.

4166145431 is a deficient number, since it is larger than the sum of its proper divisors (595163641).

4166145431 is an equidigital number, since it uses as much as digits as its factorization.

4166145431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595163640.

The product of its digits is 34560, while the sum is 35.

The square root of 4166145431 is about 64545.6848364010. The cubic root of 4166145431 is about 1609.0818718775.

The spelling of 4166145431 in words is "four billion, one hundred sixty-six million, one hundred forty-five thousand, four hundred thirty-one".