157641866456103 has 24 divisors (see below), whose sum is σ = 231448357361520. Its totient is φ = 103366993887360.

The previous prime is 157641866456077. The next prime is 157641866456279. The reversal of 157641866456103 is 301654668146751.

157641866456103 is a `hidden beast` number, since 1 + 5 + 7 + 6 + 4 + 1 + 8 + 6 + 6 + 4 + 5 + 610 + 3 = 666.

It is not a de Polignac number, because 157641866456103 - 2¹³ = 157641866447911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157641862456103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5491900 + ... + 18586142.

It is an arithmetic number, because the mean of its divisors is an integer number (9643681556730).

Almost surely, 2^{157641866456103} is an apocalyptic number.

157641866456103 is a deficient number, since it is larger than the sum of its proper divisors (73806490905417).

157641866456103 is a wasteful number, since it uses less digits than its factorization.

157641866456103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13116239 (or 13116236 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 157641866456103 in words is "one hundred fifty-seven trillion, six hundred forty-one billion, eight hundred sixty-six million, four hundred fifty-six thousand, one hundred three".