51528750168 has 64 divisors (see below), whose sum is σ = 148299701760. Its totient is φ = 14615030016.

The previous prime is 51528750127. The next prime is 51528750209. The reversal of 51528750168 is 86105782515.

It is an interprime number because it is at equal distance from previous prime (51528750127) and next prime (51528750209).

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, 1096396 + ... + 1142427.

It is an arithmetic number, because the mean of its divisors is an integer number (2317182840).

Almost surely, 2^51528750168 is an apocalyptic number.

It is an amenable number.

51528750168 is an abundant number, since it is smaller than the sum of its proper divisors (96770951592).

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

51528750168 is a wasteful number, since it uses less digits than its factorization.

51528750168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238976 (or 2238972 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 48.

The spelling of 51528750168 in words is "fifty-one billion, five hundred twenty-eight million, seven hundred fifty thousand, one hundred sixty-eight".