128663447591190 has 32 divisors (see below), whose sum is σ = 308792890274400. Its totient is φ = 34310184240384.

The previous prime is 128663447591083. The next prime is 128663447591191. The reversal of 128663447591190 is 91195744366821.

It is a super-2 number, since 2×128663447591190² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128663447591191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12028632 + ... + 20050308.

It is an arithmetic number, because the mean of its divisors is an integer number (9649777821075).

It is a 1-persistent number, because it is pandigital, but 2⋅128663447591190 = 257326895182380 is not.

Almost surely, 2^{128663447591190} is an apocalyptic number.

128663447591190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128663447591190 is an abundant number, since it is smaller than the sum of its proper divisors (180129442683210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128663447591190 is a wasteful number, since it uses less digits than its factorization.

128663447591190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8556336.

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 128663447591190 in words is "one hundred twenty-eight trillion, six hundred sixty-three billion, four hundred forty-seven million, five hundred ninety-one thousand, one hundred ninety".