630135254161 has 8 divisors (see below), whose sum is σ = 720166783680. Its totient is φ = 540106776528.

The previous prime is 630135254129. The next prime is 630135254167. The reversal of 630135254161 is 161452531036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630135254161 - 2⁵ = 630135254129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630135254161.

It is not an unprimeable number, because it can be changed into a prime (630135254167) 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, 301951 + ... + 1162516.

It is an arithmetic number, because the mean of its divisors is an integer number (90020847960).

Almost surely, 2^630135254161 is an apocalyptic number.

It is an amenable number.

630135254161 is a deficient number, since it is larger than the sum of its proper divisors (90031529519).

630135254161 is a wasteful number, since it uses less digits than its factorization.

630135254161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525943.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 630135254161 its reverse (161452531036), we get a palindrome (791587785197).

The spelling of 630135254161 in words is "six hundred thirty billion, one hundred thirty-five million, two hundred fifty-four thousand, one hundred sixty-one".