51161606264462 has 4 divisors (see below), whose sum is σ = 76742409396696. Its totient is φ = 25580803132230.

The previous prime is 51161606264459. The next prime is 51161606264497. The reversal of 51161606264462 is 26446260616115.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51161606264462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12790401566114 + ... + 12790401566117.

It is an arithmetic number, because the mean of its divisors is an integer number (19185602349174).

Almost surely, 2^{51161606264462} is an apocalyptic number.

51161606264462 is a deficient number, since it is larger than the sum of its proper divisors (25580803132234).

51161606264462 is a wasteful number, since it uses less digits than its factorization.

51161606264462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25580803132233.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 51161606264462 in words is "fifty-one trillion, one hundred sixty-one billion, six hundred six million, two hundred sixty-four thousand, four hundred sixty-two".