512197361626 has 16 divisors (see below), whose sum is σ = 786111400800. Its totient is φ = 250213488048.

The previous prime is 512197361617. The next prime is 512197361629. The reversal of 512197361626 is 626163791215.

It is a super-2 number, since 2×512197361626² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 512197361626.

It is not an unprimeable number, because it can be changed into a prime (512197361629) 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, 13295661 + ... + 13334128.

It is an arithmetic number, because the mean of its divisors is an integer number (49131962550).

Almost surely, 2^512197361626 is an apocalyptic number.

512197361626 is a deficient number, since it is larger than the sum of its proper divisors (273914039174).

512197361626 is a wasteful number, since it uses less digits than its factorization.

512197361626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26630013.

The product of its digits is 816480, while the sum is 49.

The spelling of 512197361626 in words is "five hundred twelve billion, one hundred ninety-seven million, three hundred sixty-one thousand, six hundred twenty-six".