128281282612662 has 32 divisors (see below), whose sum is σ = 272687856779520. Its totient is φ = 40116578922720.

The previous prime is 128281282612627. The next prime is 128281282612697. The reversal of 128281282612662 is 266216282182821.

It is an interprime number because it is at equal distance from previous prime (128281282612627) and next prime (128281282612697).

It is a super-3 number, since 3×128281282612662³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5462485389 + ... + 5462508872.

It is an arithmetic number, because the mean of its divisors is an integer number (8521495524360).

Almost surely, 2^{128281282612662} is an apocalyptic number.

128281282612662 is an abundant number, since it is smaller than the sum of its proper divisors (144406574166858).

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

128281282612662 is a wasteful number, since it uses less digits than its factorization.

128281282612662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10924994388.

The product of its digits is 7077888, while the sum is 57.

The spelling of 128281282612662 in words is "one hundred twenty-eight trillion, two hundred eighty-one billion, two hundred eighty-two million, six hundred twelve thousand, six hundred sixty-two".