51631640150 has 48 divisors (see below), whose sum is σ = 97644333696. Its totient is φ = 20309253120.

The previous prime is 51631640147. The next prime is 51631640167. The reversal of 51631640150 is 5104613615.

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 23 ways as a sum of consecutive naturals, for example, 727547 + ... + 795353.

It is an arithmetic number, because the mean of its divisors is an integer number (2034256952).

Almost surely, 2^51631640150 is an apocalyptic number.

51631640150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51631640150 is a deficient number, since it is larger than the sum of its proper divisors (46012693546).

51631640150 is a wasteful number, since it uses less digits than its factorization.

51631640150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68073 (or 68068 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 51631640150 in words is "fifty-one billion, six hundred thirty-one million, six hundred forty thousand, one hundred fifty".