630165164422 has 4 divisors (see below), whose sum is σ = 945247746636. Its totient is φ = 315082582210.

The previous prime is 630165164417. The next prime is 630165164429. The reversal of 630165164422 is 224461561036.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630165164429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157541291104 + ... + 157541291107.

It is an arithmetic number, because the mean of its divisors is an integer number (236311936659).

Almost surely, 2^630165164422 is an apocalyptic number.

630165164422 is a deficient number, since it is larger than the sum of its proper divisors (315082582214).

630165164422 is a wasteful number, since it uses less digits than its factorization.

630165164422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315082582213.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 630165164422 in words is "six hundred thirty billion, one hundred sixty-five million, one hundred sixty-four thousand, four hundred twenty-two".