1676789128 has 64 divisors (see below), whose sum is σ = 3706306560. Its totient is φ = 696257856.

The previous prime is 1676789117. The next prime is 1676789131. The reversal of 1676789128 is 8219876761.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303075 + ... + 308557.

It is an arithmetic number, because the mean of its divisors is an integer number (57911040).

Almost surely, 2^1676789128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1676789128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853153280).

1676789128 is an abundant number, since it is smaller than the sum of its proper divisors (2029517432).

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

1676789128 is a wasteful number, since it uses less digits than its factorization.

1676789128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666 (or 5662 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 55.

The square root of 1676789128 is about 40948.6157030979. The cubic root of 1676789128 is about 1188.0265594322.

The spelling of 1676789128 in words is "one billion, six hundred seventy-six million, seven hundred eighty-nine thousand, one hundred twenty-eight".