51164540022 has 16 divisors (see below), whose sum is σ = 105094731312. Its totient is φ = 16593904800.

The previous prime is 51164539999. The next prime is 51164540071. The reversal of 51164540022 is 22004546115.

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, 115235229 + ... + 115235672.

It is an arithmetic number, because the mean of its divisors is an integer number (6568420707).

Almost surely, 2^51164540022 is an apocalyptic number.

51164540022 is an abundant number, since it is smaller than the sum of its proper divisors (53930191290).

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

51164540022 is a wasteful number, since it uses less digits than its factorization.

51164540022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230470943.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 51164540022 in words is "fifty-one billion, one hundred sixty-four million, five hundred forty thousand, twenty-two".