157321116830 has 16 divisors (see below), whose sum is σ = 283190046480. Its totient is φ = 62925772032.

The previous prime is 157321116817. The next prime is 157321116853. The reversal of 157321116830 is 38611123751.

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 7 ways as a sum of consecutive naturals, for example, 77939 + ... + 566318.

It is an arithmetic number, because the mean of its divisors is an integer number (17699377905).

Almost surely, 2^157321116830 is an apocalyptic number.

157321116830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157321116830 is a deficient number, since it is larger than the sum of its proper divisors (125868929650).

157321116830 is a wasteful number, since it uses less digits than its factorization.

157321116830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668683.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 157321116830 in words is "one hundred fifty-seven billion, three hundred twenty-one million, one hundred sixteen thousand, eight hundred thirty".