1630361344456 has 16 divisors (see below), whose sum is σ = 3292075791900. Its totient is φ = 752474466624.

The previous prime is 1630361344441. The next prime is 1630361344459. The reversal of 1630361344456 is 6544431630361.

It can be written as a sum of positive squares in 2 ways, for example, as 1628344436356 + 2016908100 = 1276066^2 + 44910^2 .

It is a super-2 number, since 2×1630361344456² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1630361344459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7838275591 + ... + 7838275798.

Almost surely, 2^{1630361344456} is an apocalyptic number.

It is an amenable number.

1630361344456 is an abundant number, since it is smaller than the sum of its proper divisors (1661714447444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1630361344456 is a wasteful number, since it uses less digits than its factorization.

1630361344456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15676551408 (or 15676551404 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 1630361344456 in words is "one trillion, six hundred thirty billion, three hundred sixty-one million, three hundred forty-four thousand, four hundred fifty-six".