5672168381 has 16 divisors (see below), whose sum is σ = 6270721920. Its totient is φ = 5087681280.

The previous prime is 5672168353. The next prime is 5672168389. The reversal of 5672168381 is 1838612765.

It is not a de Polignac number, because 5672168381 - 2⁶ = 5672168317 is a prime.

It is a super-2 number, since 2×5672168381² = 64346988284832322322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5672168389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470825 + ... + 482721.

It is an arithmetic number, because the mean of its divisors is an integer number (391920120).

Almost surely, 2^5672168381 is an apocalyptic number.

It is an amenable number.

5672168381 is a deficient number, since it is larger than the sum of its proper divisors (598553539).

5672168381 is a wasteful number, since it uses less digits than its factorization.

5672168381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12484.

The product of its digits is 483840, while the sum is 47.

The square root of 5672168381 is about 75313.7994062177. The cubic root of 5672168381 is about 1783.4038705691.

The spelling of 5672168381 in words is "five billion, six hundred seventy-two million, one hundred sixty-eight thousand, three hundred eighty-one".