128016344 has 64 divisors (see below), whose sum is σ = 260029440. Its totient is φ = 58938880.

The previous prime is 128016323. The next prime is 128016349. The reversal of 128016344 is 443610821.

It is a super-2 number, since 2×128016344² = 32776368662252672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128016349) 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, 977159 + ... + 977289.

It is an arithmetic number, because the mean of its divisors is an integer number (4062960).

Almost surely, 2^128016344 is an apocalyptic number.

It is an amenable number.

128016344 is an abundant number, since it is smaller than the sum of its proper divisors (132013096).

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

128016344 is a wasteful number, since it uses less digits than its factorization.

128016344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 128016344 is about 11314.4307855057. The cubic root of 128016344 is about 503.9898692009.

The spelling of 128016344 in words is "one hundred twenty-eight million, sixteen thousand, three hundred forty-four".