1676866320 has 80 divisors (see below), whose sum is σ = 5775880320. Its totient is φ = 447163776.

The previous prime is 1676866309. The next prime is 1676866343. The reversal of 1676866320 is 236686761.

1676866320 is a `hidden beast` number, since 1 + 6 + 7 + 6 + 8 + 6 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 386004 + ... + 390323.

It is an arithmetic number, because the mean of its divisors is an integer number (72198504).

Almost surely, 2^1676866320 is an apocalyptic number.

1676866320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1676866320 is an abundant number, since it is smaller than the sum of its proper divisors (4099014000).

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

1676866320 is a wasteful number, since it uses less digits than its factorization.

1676866320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776349 (or 776337 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 1676866320 is about 40949.5582393754. The cubic root of 1676866320 is about 1188.0447896592.

The spelling of 1676866320 in words is "one billion, six hundred seventy-six million, eight hundred sixty-six thousand, three hundred twenty".