10664278 has 8 divisors (see below), whose sum is σ = 16215768. Its totient is φ = 5259024.

The previous prime is 10664273. The next prime is 10664293. The reversal of 10664278 is 87246601.

10664278 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 super-2 number, since 2×10664278² = 227453650522568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10664273) 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, 36376 + ... + 36667.

It is an arithmetic number, because the mean of its divisors is an integer number (2026971).

Almost surely, 2^10664278 is an apocalyptic number.

10664278 is a deficient number, since it is larger than the sum of its proper divisors (5551490).

10664278 is an equidigital number, since it uses as much as digits as its factorization.

10664278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73118.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 10664278 is about 3265.6206148296. The cubic root of 10664278 is about 220.1120503589.

The spelling of 10664278 in words is "ten million, six hundred sixty-four thousand, two hundred seventy-eight".