4001796168381 has 32 divisors (see below), whose sum is σ = 6467924736000. Its totient is φ = 2425190246640.

The previous prime is 4001796168371. The next prime is 4001796168397. The reversal of 4001796168381 is 1838616971004.

4001796168381 is a `hidden beast` number, since 4 + 0 + 0 + 17 + 9 + 616 + 8 + 3 + 8 + 1 = 666.

It is not a de Polignac number, because 4001796168381 - 2³⁴ = 3984616299197 is a prime.

It is a super-2 number, since 2×4001796168381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001796168371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4853020 + ... + 5617418.

It is an arithmetic number, because the mean of its divisors is an integer number (202122648000).

Almost surely, 2^{4001796168381} is an apocalyptic number.

It is an amenable number.

4001796168381 is a deficient number, since it is larger than the sum of its proper divisors (2466128567619).

4001796168381 is a wasteful number, since it uses less digits than its factorization.

4001796168381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782046 (or 782040 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 4001796168381 in words is "four trillion, one billion, seven hundred ninety-six million, one hundred sixty-eight thousand, three hundred eighty-one".