946892161 has 4 divisors (see below), whose sum is σ = 951798532. Its totient is φ = 941985792.

The previous prime is 946892147. The next prime is 946892249. The reversal of 946892161 is 161298649.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161298649 = 241 ⋅669289.

It can be written as a sum of positive squares in 2 ways, for example, as 91680625 + 855211536 = 9575^2 + 29244^2 .

It is a cyclic number.

It is not a de Polignac number, because 946892161 - 2¹⁵ = 946859393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (946892131) 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 3 ways as a sum of consecutive naturals, for example, 2452896 + ... + 2453281.

It is an arithmetic number, because the mean of its divisors is an integer number (237949633).

Almost surely, 2^946892161 is an apocalyptic number.

It is an amenable number.

946892161 is a deficient number, since it is larger than the sum of its proper divisors (4906371).

946892161 is a wasteful number, since it uses less digits than its factorization.

946892161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906370.

The product of its digits is 186624, while the sum is 46.

The square root of 946892161 is about 30771.6129086533. The cubic root of 946892161 is about 981.9744176826.

The spelling of 946892161 in words is "nine hundred forty-six million, eight hundred ninety-two thousand, one hundred sixty-one".