51001090163 has 8 divisors (see below), whose sum is σ = 51872271360. Its totient is φ = 50130134280.

The previous prime is 51001090141. The next prime is 51001090171. The reversal of 51001090163 is 36109010015.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51001090163 is a prime.

It is a super-2 number, since 2×51001090163² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51001090463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436778 + ... + 541088.

It is an arithmetic number, because the mean of its divisors is an integer number (6484033920).

Almost surely, 2^51001090163 is an apocalyptic number.

51001090163 is a deficient number, since it is larger than the sum of its proper divisors (871181197).

51001090163 is a wasteful number, since it uses less digits than its factorization.

51001090163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112657.

The product of its (nonzero) digits is 810, while the sum is 26.

The spelling of 51001090163 in words is "fifty-one billion, one million, ninety thousand, one hundred sixty-three".