128246616 has 24 divisors (see below), whose sum is σ = 347334780. Its totient is φ = 42748848.

The previous prime is 128246611. The next prime is 128246621. The reversal of 128246616 is 616642821.

128246616 is a `hidden beast` number, since 12 + 8 + 24 + 6 + 616 = 666.

It is an interprime number because it is at equal distance from previous prime (128246611) and next prime (128246621).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128246611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 890530 + ... + 890673.

Almost surely, 2^128246616 is an apocalyptic number.

It is an amenable number.

128246616 is an abundant number, since it is smaller than the sum of its proper divisors (219088164).

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

128246616 is a wasteful number, since it uses less digits than its factorization.

128246616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781215 (or 1781208 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 128246616 is about 11324.6022446707. The cubic root of 128246616 is about 504.2918755326.

The spelling of 128246616 in words is "one hundred twenty-eight million, two hundred forty-six thousand, six hundred sixteen".