51461636222 has 8 divisors (see below), whose sum is σ = 77193856656. Its totient is φ = 25730350672.

The previous prime is 51461636201. The next prime is 51461636263. The reversal of 51461636222 is 22263616415.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74378 + ... + 329325.

It is an arithmetic number, because the mean of its divisors is an integer number (9649232082).

Almost surely, 2^51461636222 is an apocalyptic number.

51461636222 is a deficient number, since it is larger than the sum of its proper divisors (25732220434).

51461636222 is a wasteful number, since it uses less digits than its factorization.

51461636222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467442.

The product of its digits is 103680, while the sum is 38.

The spelling of 51461636222 in words is "fifty-one billion, four hundred sixty-one million, six hundred thirty-six thousand, two hundred twenty-two".