51166902 has 8 divisors (see below), whose sum is σ = 102333816. Its totient is φ = 17055632.

The previous prime is 51166891. The next prime is 51166909. The reversal of 51166902 is 20966115.

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

51166902 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 51166902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51166909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4263903 + ... + 4263914.

It is an arithmetic number, because the mean of its divisors is an integer number (12791727).

Almost surely, 2^51166902 is an apocalyptic number.

51166902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51166902 is a wasteful number, since it uses less digits than its factorization.

51166902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8527822.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 51166902 is about 7153.1043610449. The cubic root of 51166902 is about 371.2470752187.

The spelling of 51166902 in words is "fifty-one million, one hundred sixty-six thousand, nine hundred two".