3966622541 has 8 divisors (see below), whose sum is σ = 4533916800. Its totient is φ = 3399486768.

The previous prime is 3966622537. The next prime is 3966622547. The reversal of 3966622541 is 1452266693.

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 3966622541 - 2² = 3966622537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3966622492 and 3966622501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966622547) 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, 20000 + ... + 91286.

It is an arithmetic number, because the mean of its divisors is an integer number (566739600).

Almost surely, 2^3966622541 is an apocalyptic number.

It is an amenable number.

3966622541 is a deficient number, since it is larger than the sum of its proper divisors (567294259).

3966622541 is an equidigital number, since it uses as much as digits as its factorization.

3966622541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79243.

The product of its digits is 466560, while the sum is 44.

The square root of 3966622541 is about 62981.1284513067. The cubic root of 3966622541 is about 1582.9734293428.

The spelling of 3966622541 in words is "three billion, nine hundred sixty-six million, six hundred twenty-two thousand, five hundred forty-one".