51233205313662 has 16 divisors (see below), whose sum is σ = 102471717524880. Its totient is φ = 17076850621632.

The previous prime is 51233205313643. The next prime is 51233205313679. The reversal of 51233205313662 is 26631350233215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220995223 + ... + 221226930.

It is an arithmetic number, because the mean of its divisors is an integer number (6404482345305).

Almost surely, 2^{51233205313662} is an apocalyptic number.

51233205313662 is an abundant number, since it is smaller than the sum of its proper divisors (51238512211218).

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

51233205313662 is a wasteful number, since it uses less digits than its factorization.

51233205313662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442241467.

The product of its (nonzero) digits is 583200, while the sum is 42.

Adding to 51233205313662 its reverse (26631350233215), we get a palindrome (77864555546877).

The spelling of 51233205313662 in words is "fifty-one trillion, two hundred thirty-three billion, two hundred five million, three hundred thirteen thousand, six hundred sixty-two".