128773016 has 8 divisors (see below), whose sum is σ = 241449420. Its totient is φ = 64386504.

The previous prime is 128773009. The next prime is 128773019. The reversal of 128773016 is 610377821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128773019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8048306 + ... + 8048321.

Almost surely, 2^128773016 is an apocalyptic number.

It is an amenable number.

128773016 is a deficient number, since it is larger than the sum of its proper divisors (112676404).

128773016 is a wasteful number, since it uses less digits than its factorization.

128773016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16096633 (or 16096629 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 128773016 is about 11347.8198787256. The cubic root of 128773016 is about 504.9809044180.

The spelling of 128773016 in words is "one hundred twenty-eight million, seven hundred seventy-three thousand, sixteen".