51664224546434 has 8 divisors (see below), whose sum is σ = 77828939124300. Its totient is φ = 25721244838336.

The previous prime is 51664224546427. The next prime is 51664224546457. The reversal of 51664224546434 is 43464542246615.

It can be written as a sum of positive squares in 2 ways, for example, as 42658493634409 + 9005730912025 = 6531347^2 + 3000955^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51664224546434.

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, 55433716859 + ... + 55433717790.

Almost surely, 2^{51664224546434} is an apocalyptic number.

51664224546434 is a deficient number, since it is larger than the sum of its proper divisors (26164714577866).

51664224546434 is a wasteful number, since it uses less digits than its factorization.

51664224546434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110867434884.

The product of its digits is 66355200, while the sum is 56.

The spelling of 51664224546434 in words is "fifty-one trillion, six hundred sixty-four billion, two hundred twenty-four million, five hundred forty-six thousand, four hundred thirty-four".