4416662381 has 4 divisors (see below), whose sum is σ = 4420667712. Its totient is φ = 4412657052.

The previous prime is 4416662323. The next prime is 4416662389. The reversal of 4416662381 is 1832666144.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4416662381 is a prime.

It is a super-2 number, since 2×4416662381² = 39013813175481178322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4416662389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001011 + ... + 2003216.

It is an arithmetic number, because the mean of its divisors is an integer number (1105166928).

Almost surely, 2^4416662381 is an apocalyptic number.

It is an amenable number.

4416662381 is a deficient number, since it is larger than the sum of its proper divisors (4005331).

4416662381 is a wasteful number, since it uses less digits than its factorization.

4416662381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005330.

The product of its digits is 165888, while the sum is 41.

The square root of 4416662381 is about 66457.9745478298. The cubic root of 4416662381 is about 1640.7083967456.

The spelling of 4416662381 in words is "four billion, four hundred sixteen million, six hundred sixty-two thousand, three hundred eighty-one".