10660378 has 4 divisors (see below), whose sum is σ = 15990570. Its totient is φ = 5330188.

The previous prime is 10660333. The next prime is 10660417. The reversal of 10660378 is 87306601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87306601 = 157 ⋅556093.

It can be written as a sum of positive squares in only one way, i.e., 10220809 + 439569 = 3197^2 + 663^2 .

It is a super-2 number, since 2×10660378² = 227287318205768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2665093 + ... + 2665096.

Almost surely, 2^10660378 is an apocalyptic number.

10660378 is a deficient number, since it is larger than the sum of its proper divisors (5330192).

10660378 is an equidigital number, since it uses as much as digits as its factorization.

10660378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330191.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 10660378 is about 3265.0234302375. The cubic root of 10660378 is about 220.0852149224.

Adding to 10660378 its reverse (87306601), we get a palindrome (97966979).

The spelling of 10660378 in words is "ten million, six hundred sixty thousand, three hundred seventy-eight".