51634342162 has 8 divisors (see below), whose sum is σ = 83409321996. Its totient is φ = 23831234832.

The previous prime is 51634342147. The next prime is 51634342169. The reversal of 51634342162 is 26124343615.

It can be written as a sum of positive squares in 2 ways, for example, as 50171968081 + 1462374081 = 223991^2 + 38241^2 .

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

It is a super-2 number, since 2×51634342162² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51634342169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992968093 + ... + 992968144.

Almost surely, 2^51634342162 is an apocalyptic number.

51634342162 is a deficient number, since it is larger than the sum of its proper divisors (31774979834).

51634342162 is a wasteful number, since it uses less digits than its factorization.

51634342162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985936252.

The product of its digits is 103680, while the sum is 37.

Adding to 51634342162 its reverse (26124343615), we get a palindrome (77758685777).

The spelling of 51634342162 in words is "fifty-one billion, six hundred thirty-four million, three hundred forty-two thousand, one hundred sixty-two".