51634541106 has 24 divisors (see below), whose sum is σ = 114898484844. Its totient is φ = 16746337440.

The previous prime is 51634541059. The next prime is 51634541137. The reversal of 51634541106 is 60114543615.

51634541106 is a `hidden beast` number, since 5 + 1 + 6 + 3 + 4 + 541 + 106 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44219781225 + 7414759881 = 210285^2 + 86109^2 .

It is a super-2 number, since 2×51634541106² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 38764005 + ... + 38765336.

Almost surely, 2^51634541106 is an apocalyptic number.

51634541106 is an abundant number, since it is smaller than the sum of its proper divisors (63263943738).

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

51634541106 is a wasteful number, since it uses less digits than its factorization.

51634541106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77529386 (or 77529383 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 51634541106 in words is "fifty-one billion, six hundred thirty-four million, five hundred forty-one thousand, one hundred six".