157728544018 has 8 divisors (see below), whose sum is σ = 236596614912. Its totient is φ = 78863005716.

The previous prime is 157728543979. The next prime is 157728544021. The reversal of 157728544018 is 810445827751.

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

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 3 ways as a sum of consecutive naturals, for example, 468930 + ... + 731677.

It is an arithmetic number, because the mean of its divisors is an integer number (29574576864).

Almost surely, 2^157728544018 is an apocalyptic number.

157728544018 is a deficient number, since it is larger than the sum of its proper divisors (78868070894).

157728544018 is a wasteful number, since it uses less digits than its factorization.

157728544018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266296.

The product of its (nonzero) digits is 2508800, while the sum is 52.

The spelling of 157728544018 in words is "one hundred fifty-seven billion, seven hundred twenty-eight million, five hundred forty-four thousand, eighteen".