5111666 has 8 divisors (see below), whose sum is σ = 8762880. Its totient is φ = 2190708.

The previous prime is 5111651. The next prime is 5111693. The reversal of 5111666 is 6661115.

5111666 = T₁₂₀₅ + T₁₂₀₆ + ... + T₁₂₁₁.

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

It is a super-2 number, since 2×5111666² = 52258258591112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182546 + ... + 182573.

It is an arithmetic number, because the mean of its divisors is an integer number (1095360).

Almost surely, 2^5111666 is an apocalyptic number.

5111666 is a deficient number, since it is larger than the sum of its proper divisors (3651214).

5111666 is a wasteful number, since it uses less digits than its factorization.

5111666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365128.

The product of its digits is 1080, while the sum is 26.

The square root of 5111666 is about 2260.8993785660. The cubic root of 5111666 is about 172.2612084862.

The spelling of 5111666 in words is "five million, one hundred eleven thousand, six hundred sixty-six".