1010235666 has 32 divisors (see below), whose sum is σ = 2207361600. Its totient is φ = 305686080.

The previous prime is 1010235661. The next prime is 1010235683. The reversal of 1010235666 is 6665320101.

It is a super-2 number, since 2×1010235666² = 2041152201716927112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1010235661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36000 + ... + 57588.

It is an arithmetic number, because the mean of its divisors is an integer number (68980050).

Almost surely, 2^1010235666 is an apocalyptic number.

1010235666 is an abundant number, since it is smaller than the sum of its proper divisors (1197125934).

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

1010235666 is a wasteful number, since it uses less digits than its factorization.

1010235666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22314.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1010235666 is about 31784.2046620645. The cubic root of 1010235666 is about 1003.4003134303.

Adding to 1010235666 its reverse (6665320101), we get a palindrome (7675555767).

The spelling of 1010235666 in words is "one billion, ten million, two hundred thirty-five thousand, six hundred sixty-six".