4166251643 has 8 divisors (see below), whose sum is σ = 4187072736. Its totient is φ = 4145468800.

The previous prime is 4166251633. The next prime is 4166251651. The reversal of 4166251643 is 3461526614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4166251643 - 2¹⁰ = 4166250619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4166251597 and 4166251606.

It is not an unprimeable number, because it can be changed into a prime (4166251633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222713 + ... + 240693.

It is an arithmetic number, because the mean of its divisors is an integer number (523384092).

Almost surely, 2^4166251643 is an apocalyptic number.

4166251643 is a deficient number, since it is larger than the sum of its proper divisors (20821093).

4166251643 is a wasteful number, since it uses less digits than its factorization.

4166251643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19125.

The product of its digits is 103680, while the sum is 38.

The square root of 4166251643 is about 64546.5075972357. The cubic root of 4166251643 is about 1609.0955457761.

The spelling of 4166251643 in words is "four billion, one hundred sixty-six million, two hundred fifty-one thousand, six hundred forty-three".