51665000150 has 12 divisors (see below), whose sum is σ = 96096900372. Its totient is φ = 20666000040.

The previous prime is 51665000111. The next prime is 51665000159. The reversal of 51665000150 is 5100056615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51665000159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 516649952 + ... + 516650051.

It is an arithmetic number, because the mean of its divisors is an integer number (8008075031).

Almost surely, 2^51665000150 is an apocalyptic number.

51665000150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51665000150 is a deficient number, since it is larger than the sum of its proper divisors (44431900222).

51665000150 is a wasteful number, since it uses less digits than its factorization.

51665000150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033300015 (or 1033300010 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 51665000150 its reverse (5100056615), we get a palindrome (56765056765).

The spelling of 51665000150 in words is "fifty-one billion, six hundred sixty-five million, one hundred fifty", and thus it is an aban number.