103078666 has 8 divisors (see below), whose sum is σ = 154848420. Its totient is φ = 51462528.

The previous prime is 103078649. The next prime is 103078669. The reversal of 103078666 is 666870301.

It can be written as a sum of positive squares in 2 ways, for example, as 70073641 + 33005025 = 8371^2 + 5745^2 .

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

It is a super-2 number, since 2×103078666² = 21250422768679112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103078669) 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, 36711 + ... + 39418.

Almost surely, 2^103078666 is an apocalyptic number.

103078666 is a deficient number, since it is larger than the sum of its proper divisors (51769754).

103078666 is an equidigital number, since it uses as much as digits as its factorization.

103078666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76808.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 103078666 is about 10152.7664210303. The cubic root of 103078666 is about 468.8741211812.

The spelling of 103078666 in words is "one hundred three million, seventy-eight thousand, six hundred sixty-six".