1676121984 has 160 divisors (see below), whose sum is σ = 5111069040. Its totient is φ = 544942080.

The previous prime is 1676121977. The next prime is 1676121989. The reversal of 1676121984 is 4891216761.

1676121984 is a `hidden beast` number, since 16 + 7 + 612 + 19 + 8 + 4 = 666.

1676121984 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676121989) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 423117 + ... + 427059.

Almost surely, 2^1676121984 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 1676121984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555534520).

1676121984 is an abundant number, since it is smaller than the sum of its proper divisors (3434947056).

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

1676121984 is an equidigital number, since it uses as much as digits as its factorization.

1676121984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010 (or 3989 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1676121984 is about 40940.4687809019. The cubic root of 1676121984 is about 1187.8689785104.

The spelling of 1676121984 in words is "one billion, six hundred seventy-six million, one hundred twenty-one thousand, nine hundred eighty-four".