1670459328 has 224 divisors, whose sum is σ = 5240121600. Its totient is φ = 520307712.

The previous prime is 1670459311. The next prime is 1670459339. The reversal of 1670459328 is 8239540761.

1670459328 is a `hidden beast` number, since 167 + 0 + 459 + 32 + 8 = 666.

1670459328 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

1670459328 is strictly pandigital in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2724750 + ... + 2725362.

It is an arithmetic number, because the mean of its divisors is an integer number (23393400).

It is a 1-persistent number, because it is pandigital, but 2⋅1670459328 = 3340918656 is not.

Almost surely, 2^1670459328 is an apocalyptic number.

1670459328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1670459328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2620060800).

1670459328 is an abundant number, since it is smaller than the sum of its proper divisors (3569662272).

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

1670459328 is a wasteful number, since it uses less digits than its factorization.

1670459328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1670459328 is about 40871.2530759702. The cubic root of 1670459328 is about 1186.5297596267.

The spelling of 1670459328 in words is "one billion, six hundred seventy million, four hundred fifty-nine thousand, three hundred twenty-eight".