511404164 has 6 divisors (see below), whose sum is σ = 894957294. Its totient is φ = 255702080.

The previous prime is 511404163. The next prime is 511404181. The reversal of 511404164 is 461404115.

It can be written as a sum of positive squares in only one way, i.e., 322561600 + 188842564 = 17960^2 + 13742^2 .

It is not an unprimeable number, because it can be changed into a prime (511404163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63925517 + ... + 63925524.

It is an arithmetic number, because the mean of its divisors is an integer number (149159549).

Almost surely, 2^511404164 is an apocalyptic number.

It is an amenable number.

511404164 is a deficient number, since it is larger than the sum of its proper divisors (383553130).

511404164 is a wasteful number, since it uses less digits than its factorization.

511404164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127851045 (or 127851043 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 511404164 is about 22614.2469253345. The cubic root of 511404164 is about 799.6895482903.

Adding to 511404164 its reverse (461404115), we get a palindrome (972808279).

The spelling of 511404164 in words is "five hundred eleven million, four hundred four thousand, one hundred sixty-four".