128167012862 has 16 divisors (see below), whose sum is σ = 219719485440. Its totient is φ = 54927568248.

The previous prime is 128167012781. The next prime is 128167012879. The reversal of 128167012862 is 268210761821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188839 + ... + 1292157.

It is an arithmetic number, because the mean of its divisors is an integer number (13732467840).

Almost surely, 2^128167012862 is an apocalyptic number.

128167012862 is a deficient number, since it is larger than the sum of its proper divisors (91552472578).

128167012862 is a wasteful number, since it uses less digits than its factorization.

128167012862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191935.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 128167012862 in words is "one hundred twenty-eight billion, one hundred sixty-seven million, twelve thousand, eight hundred sixty-two".