966742081 has 8 divisors (see below), whose sum is σ = 990208800. Its totient is φ = 943511520.

The previous prime is 966742069. The next prime is 966742103. The reversal of 966742081 is 180247669.

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 966742081 - 2⁹ = 966741569 is a prime.

It is a super-2 number, since 2×966742081² = 1869180502352421122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (966742001) 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, 50740 + ... + 67141.

It is an arithmetic number, because the mean of its divisors is an integer number (123776100).

Almost surely, 2^966742081 is an apocalyptic number.

It is an amenable number.

966742081 is a deficient number, since it is larger than the sum of its proper divisors (23466719).

966742081 is a wasteful number, since it uses less digits than its factorization.

966742081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118079.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 966742081 is about 31092.4762764242. The cubic root of 966742081 is about 988.7888058404.

The spelling of 966742081 in words is "nine hundred sixty-six million, seven hundred forty-two thousand, eighty-one".