4000161001 has 8 divisors (see below), whose sum is σ = 4068979200. Its totient is φ = 3931376880.

The previous prime is 4000160987. The next prime is 4000161007. The reversal of 4000161001 is 1001610004.

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 4000161001 - 2⁷ = 4000160873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000161007) 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, 373560 + ... + 384118.

It is an arithmetic number, because the mean of its divisors is an integer number (508622400).

Almost surely, 2^4000161001 is an apocalyptic number.

It is an amenable number.

4000161001 is a deficient number, since it is larger than the sum of its proper divisors (68818199).

4000161001 is a wasteful number, since it uses less digits than its factorization.

4000161001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17039.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 4000161001 is about 63246.8260152239. The cubic root of 4000161001 is about 1587.4223494455.

Adding to 4000161001 its reverse (1001610004), we get a palindrome (5001771005).

The spelling of 4000161001 in words is "four billion, one hundred sixty-one thousand, one".