966148891 has 8 divisors (see below), whose sum is σ = 999914400. Its totient is φ = 932413440.

The previous prime is 966148871. The next prime is 966148919. The reversal of 966148891 is 198841669.

966148891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 966148891 - 2⁷ = 966148763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966148871) 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, 72475 + ... + 84763.

It is an arithmetic number, because the mean of its divisors is an integer number (124989300).

Almost surely, 2^966148891 is an apocalyptic number.

966148891 is a deficient number, since it is larger than the sum of its proper divisors (33765509).

966148891 is a wasteful number, since it uses less digits than its factorization.

966148891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15029.

The product of its digits is 746496, while the sum is 52.

The square root of 966148891 is about 31082.9356882518. The cubic root of 966148891 is about 988.5865251941.

The spelling of 966148891 in words is "nine hundred sixty-six million, one hundred forty-eight thousand, eight hundred ninety-one".