3976406161 has 8 divisors (see below), whose sum is σ = 4894038464. Its totient is φ = 3146167440.

The previous prime is 3976406117. The next prime is 3976406173. The reversal of 3976406161 is 1616046793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3976406161 - 2⁹ = 3976405649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3976403161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21848295 + ... + 21848476.

It is an arithmetic number, because the mean of its divisors is an integer number (611754808).

Almost surely, 2^3976406161 is an apocalyptic number.

It is an amenable number.

3976406161 is a deficient number, since it is larger than the sum of its proper divisors (917632303).

3976406161 is a wasteful number, since it uses less digits than its factorization.

3976406161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43696791.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 3976406161 is about 63058.7516606537. The cubic root of 3976406161 is about 1584.2738215333.

The spelling of 3976406161 in words is "three billion, nine hundred seventy-six million, four hundred six thousand, one hundred sixty-one".