1040689700164 has 81 divisors (see below), whose sum is σ = 1938528674271. Its totient is φ = 488811240720.

The previous prime is 1040689700153. The next prime is 1040689700227. The reversal of 1040689700164 is 4610079860401.

The square root of 1040689700164 is 1020142.

It is a perfect power (a square), and thus also a powerful number.

1040689700164 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 (46).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3144077479 + ... + 3144077809.

Almost surely, 2^{1040689700164} is an apocalyptic number.

1040689700164 is the 1020142-nd square number.

It is an amenable number.

1040689700164 is a deficient number, since it is larger than the sum of its proper divisors (897838974107).

1040689700164 is an frugal number, since it uses more digits than its factorization.

1040689700164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 1040689700164 in words is "one trillion, forty billion, six hundred eighty-nine million, seven hundred thousand, one hundred sixty-four".