157863385651 has 8 divisors (see below), whose sum is σ = 158730685344. Its totient is φ = 156996752640.

The previous prime is 157863385643. The next prime is 157863385679. The reversal of 157863385651 is 156583368751.

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

It is a cyclic number.

It is not a de Polignac number, because 157863385651 - 2³ = 157863385643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157863385601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311971 + ... + 642691.

It is an arithmetic number, because the mean of its divisors is an integer number (19841335668).

Almost surely, 2^157863385651 is an apocalyptic number.

157863385651 is a deficient number, since it is larger than the sum of its proper divisors (867299693).

157863385651 is a wasteful number, since it uses less digits than its factorization.

157863385651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333341.

The product of its digits is 18144000, while the sum is 58.

The spelling of 157863385651 in words is "one hundred fifty-seven billion, eight hundred sixty-three million, three hundred eighty-five thousand, six hundred fifty-one".