1012164404 has 24 divisors (see below), whose sum is σ = 1855166208. Its totient is φ = 482280480.

The previous prime is 1012164403. The next prime is 1012164457. The reversal of 1012164404 is 4044612101.

It is a happy number.

1012164404 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 (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1012164404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012164403) 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, 4634 + ... + 45230.

It is an arithmetic number, because the mean of its divisors is an integer number (77298592).

Almost surely, 2^1012164404 is an apocalyptic number.

It is an amenable number.

1012164404 is a deficient number, since it is larger than the sum of its proper divisors (843001804).

1012164404 is a wasteful number, since it uses less digits than its factorization.

1012164404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40895 (or 40893 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1012164404 is about 31814.5313339675. The cubic root of 1012164404 is about 1004.0384701375.

Adding to 1012164404 its reverse (4044612101), we get a palindrome (5056776505).

The spelling of 1012164404 in words is "one billion, twelve million, one hundred sixty-four thousand, four hundred four".