3946161451 has 8 divisors (see below), whose sum is σ = 4120614144. Its totient is φ = 3771948840.

The previous prime is 3946161419. The next prime is 3946161467. The reversal of 3946161451 is 1541616493.

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 3946161451 - 2⁵ = 3946161419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3946161491) 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, 26005 + ... + 92566.

It is an arithmetic number, because the mean of its divisors is an integer number (515076768).

Almost surely, 2^3946161451 is an apocalyptic number.

3946161451 is a deficient number, since it is larger than the sum of its proper divisors (174452693).

3946161451 is a wasteful number, since it uses less digits than its factorization.

3946161451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120041.

The product of its digits is 77760, while the sum is 40.

The square root of 3946161451 is about 62818.4801710452. The cubic root of 3946161451 is about 1580.2469104860.

The spelling of 3946161451 in words is "three billion, nine hundred forty-six million, one hundred sixty-one thousand, four hundred fifty-one".