4006161000 has 384 divisors, whose sum is σ = 14227799040. Its totient is φ = 1015488000.

The previous prime is 4006160989. The next prime is 4006161017. The reversal of 4006161000 is 1616004.

4006161000 is a `hidden beast` number, since 40 + 0 + 616 + 10 + 0 + 0 = 666.

4006161000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23156914 + ... + 23157086.

It is an arithmetic number, because the mean of its divisors is an integer number (37051560).

Almost surely, 2^4006161000 is an apocalyptic number.

4006161000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4006161000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7113899520).

4006161000 is an abundant number, since it is smaller than the sum of its proper divisors (10221638040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4006161000 is a wasteful number, since it uses less digits than its factorization.

4006161000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 4006161000 is about 63294.2414442262. The cubic root of 4006161000 is about 1588.2156320490.

Adding to 4006161000 its reverse (1616004), we get a palindrome (4007777004).

The spelling of 4006161000 in words is "four billion, six million, one hundred sixty-one thousand".