866164954 has 8 divisors (see below), whose sum is σ = 1299528468. Its totient is φ = 432988800.

The previous prime is 866164939. The next prime is 866164967. The reversal of 866164954 is 459461668.

It can be written as a sum of positive squares in 2 ways, for example, as 693110929 + 173054025 = 26327^2 + 13155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 866164898 and 866164907.

It is an unprimeable number.

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, 34647 + ... + 54154.

Almost surely, 2^866164954 is an apocalyptic number.

866164954 is a deficient number, since it is larger than the sum of its proper divisors (433363514).

866164954 is a wasteful number, since it uses less digits than its factorization.

866164954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93680.

The product of its digits is 1244160, while the sum is 49.

The square root of 866164954 is about 29430.6804882252. The cubic root of 866164954 is about 953.2354885427.

The spelling of 866164954 in words is "eight hundred sixty-six million, one hundred sixty-four thousand, nine hundred fifty-four".