51146646103 has 16 divisors (see below), whose sum is σ = 58917196800. Its totient is φ = 43492269600.

The previous prime is 51146646091. The next prime is 51146646107. The reversal of 51146646103 is 30164664115.

It is a cyclic number.

It is not a de Polignac number, because 51146646103 - 2⁹ = 51146645591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51146646107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4203873 + ... + 4216021.

It is an arithmetic number, because the mean of its divisors is an integer number (3682324800).

Almost surely, 2^51146646103 is an apocalyptic number.

51146646103 is a deficient number, since it is larger than the sum of its proper divisors (7770550697).

51146646103 is a wasteful number, since it uses less digits than its factorization.

51146646103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16878.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 51146646103 in words is "fifty-one billion, one hundred forty-six million, six hundred forty-six thousand, one hundred three".