5666694 has 32 divisors (see below), whose sum is σ = 12904704. Its totient is φ = 1642080.

The previous prime is 5666681. The next prime is 5666701. The reversal of 5666694 is 4966665.

It is a super-2 number, since 2×5666694² = 64222841779272, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 349 + ... + 3384.

It is an arithmetic number, because the mean of its divisors is an integer number (403272).

Almost surely, 2^5666694 is an apocalyptic number.

5666694 is an abundant number, since it is smaller than the sum of its proper divisors (7238010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5666694 is a wasteful number, since it uses less digits than its factorization.

5666694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772.

The product of its digits is 233280, while the sum is 42.

The square root of 5666694 is about 2380.4818839890. The cubic root of 5666694 is about 178.2829946915.

It can be divided in two parts, 566 and 6694, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 5666694 in words is "five million, six hundred sixty-six thousand, six hundred ninety-four".