128496716492 has 12 divisors (see below), whose sum is σ = 226859248056. Its totient is φ = 63679788480.

The previous prime is 128496716461. The next prime is 128496716521. The reversal of 128496716492 is 294617694821.

128496716492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×128496716492² (a number of 23 digits) contains 22 as substring.

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, 142141934 + ... + 142142837.

It is an arithmetic number, because the mean of its divisors is an integer number (18904937338).

Almost surely, 2^128496716492 is an apocalyptic number.

It is an amenable number.

128496716492 is a deficient number, since it is larger than the sum of its proper divisors (98362531564).

128496716492 is a wasteful number, since it uses less digits than its factorization.

128496716492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284284888 (or 284284886 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 59.

The spelling of 128496716492 in words is "one hundred twenty-eight billion, four hundred ninety-six million, seven hundred sixteen thousand, four hundred ninety-two".