1011665522 has 16 divisors (see below), whose sum is σ = 1794087360. Its totient is φ = 418620048.

The previous prime is 1011665521. The next prime is 1011665533. The reversal of 1011665522 is 2255661101.

It is a happy number.

1011665522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1011665521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245488 + ... + 1246299.

It is an arithmetic number, because the mean of its divisors is an integer number (112130460).

Almost surely, 2^1011665522 is an apocalyptic number.

1011665522 is a deficient number, since it is larger than the sum of its proper divisors (782421838).

1011665522 is a wasteful number, since it uses less digits than its factorization.

1011665522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491825.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1011665522 is about 31806.6898937944. The cubic root of 1011665522 is about 1003.8734840820.

The spelling of 1011665522 in words is "one billion, eleven million, six hundred sixty-five thousand, five hundred twenty-two".