948319661 has 4 divisors (see below), whose sum is σ = 957526752. Its totient is φ = 939112572.

The previous prime is 948319649. The next prime is 948319663. The reversal of 948319661 is 166913849.

948319661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 948319661 - 2²⁶ = 881210797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (948319663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4603391 + ... + 4603596.

It is an arithmetic number, because the mean of its divisors is an integer number (239381688).

Almost surely, 2^948319661 is an apocalyptic number.

It is an amenable number.

948319661 is a deficient number, since it is larger than the sum of its proper divisors (9207091).

948319661 is a wasteful number, since it uses less digits than its factorization.

948319661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9207090.

The product of its digits is 279936, while the sum is 47.

The square root of 948319661 is about 30794.7992524712. The cubic root of 948319661 is about 982.4676328237.

The spelling of 948319661 in words is "nine hundred forty-eight million, three hundred nineteen thousand, six hundred sixty-one".