1012363666 has 4 divisors (see below), whose sum is σ = 1518545502. Its totient is φ = 506181832.

The previous prime is 1012363657. The next prime is 1012363669. The reversal of 1012363666 is 6663632101.

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., 981882225 + 30481441 = 31335^2 + 5521^2 .

It is not an unprimeable number, because it can be changed into a prime (1012363669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253090915 + ... + 253090918.

Almost surely, 2^1012363666 is an apocalyptic number.

1012363666 is a deficient number, since it is larger than the sum of its proper divisors (506181836).

1012363666 is an equidigital number, since it uses as much as digits as its factorization.

1012363666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506181835.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 1012363666 is about 31817.6627991435. The cubic root of 1012363666 is about 1004.1043532376.

Adding to 1012363666 its reverse (6663632101), we get a palindrome (7675995767).

The spelling of 1012363666 in words is "one billion, twelve million, three hundred sixty-three thousand, six hundred sixty-six".