51241164604566 has 32 divisors (see below), whose sum is σ = 104689526699520. Its totient is φ = 16712707525536.

The previous prime is 51241164604559. The next prime is 51241164604571. The reversal of 51241164604566 is 66540646114215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22089976 + ... + 24299163.

It is an arithmetic number, because the mean of its divisors is an integer number (3271547709360).

Almost surely, 2^{51241164604566} is an apocalyptic number.

51241164604566 is an abundant number, since it is smaller than the sum of its proper divisors (53448362094954).

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

51241164604566 is a wasteful number, since it uses less digits than its factorization.

51241164604566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46393108.

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 51241164604566 in words is "fifty-one trillion, two hundred forty-one billion, one hundred sixty-four million, six hundred four thousand, five hundred sixty-six".