51665874150 has 96 divisors (see below), whose sum is σ = 141866241408. Its totient is φ = 12338092800.

The previous prime is 51665874137. The next prime is 51665874167. The reversal of 51665874150 is 5147856615.

It is a self number, because there is not a number n which added to its sum of digits gives 51665874150.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123127 + ... + 344226.

It is an arithmetic number, because the mean of its divisors is an integer number (1477773348).

Almost surely, 2^51665874150 is an apocalyptic number.

51665874150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51665874150 is an abundant number, since it is smaller than the sum of its proper divisors (90200367258).

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

51665874150 is a wasteful number, since it uses less digits than its factorization.

51665874150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467446 (or 467441 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 51665874150 in words is "fifty-one billion, six hundred sixty-five million, eight hundred seventy-four thousand, one hundred fifty".