3721166143 has 2 divisors, whose sum is σ = 3721166144. Its totient is φ = 3721166142.

The previous prime is 3721166107. The next prime is 3721166173. The reversal of 3721166143 is 3416611273.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3721166143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3721166099 and 3721166108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3721166173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1860583071 + 1860583072.

It is an arithmetic number, because the mean of its divisors is an integer number (1860583072).

Almost surely, 2^3721166143 is an apocalyptic number.

3721166143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3721166143 is an equidigital number, since it uses as much as digits as its factorization.

3721166143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 3721166143 is about 61001.3618126678. The cubic root of 3721166143 is about 1549.6240701908.

The spelling of 3721166143 in words is "three billion, seven hundred twenty-one million, one hundred sixty-six thousand, one hundred forty-three".