10037666 has 4 divisors (see below), whose sum is σ = 15056502. Its totient is φ = 5018832.

The previous prime is 10037663. The next prime is 10037749. The reversal of 10037666 is 66673001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9740641 + 297025 = 3121^2 + 545^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10037663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509415 + ... + 2509418.

Almost surely, 2^10037666 is an apocalyptic number.

10037666 is a deficient number, since it is larger than the sum of its proper divisors (5018836).

10037666 is an equidigital number, since it uses as much as digits as its factorization.

10037666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018835.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 10037666 is about 3168.2275802095. The cubic root of 10037666 is about 215.7136265515.

The spelling of 10037666 in words is "ten million, thirty-seven thousand, six hundred sixty-six".