157680468099 has 128 divisors (see below), whose sum is σ = 293732352000. Its totient is φ = 81214876800.

The previous prime is 157680468097. The next prime is 157680468139. The reversal of 157680468099 is 990864086751.

157680468099 is a `hidden beast` number, since 1 + 5 + 7 + 6 + 80 + 468 + 0 + 99 = 666.

It is a Cunningham number, because it is equal to 397090²-1.

It is not a de Polignac number, because 157680468099 - 2¹ = 157680468097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (157680468097) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 190205217 + ... + 190206045.

It is an arithmetic number, because the mean of its divisors is an integer number (2294784000).

Almost surely, 2^157680468099 is an apocalyptic number.

157680468099 is a deficient number, since it is larger than the sum of its proper divisors (136051883901).

157680468099 is a wasteful number, since it uses less digits than its factorization.

157680468099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 157680468099 in words is "one hundred fifty-seven billion, six hundred eighty million, four hundred sixty-eight thousand, ninety-nine".