1676870640 has 160 divisors (see below), whose sum is σ = 5862600960. Its totient is φ = 440453376.

The previous prime is 1676870621. The next prime is 1676870647. The reversal of 1676870640 is 460786761.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676870647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138927 + ... + 150513.

It is an arithmetic number, because the mean of its divisors is an integer number (36641256).

Almost surely, 2^1676870640 is an apocalyptic number.

1676870640 is a gapful number since it is divisible by the number (10) 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 1676870640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2931300480).

1676870640 is an abundant number, since it is smaller than the sum of its proper divisors (4185730320).

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

1676870640 is a wasteful number, since it uses less digits than its factorization.

1676870640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11676 (or 11664 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 1676870640 is about 40949.6109871632. The cubic root of 1676870640 is about 1188.0458098854.

The spelling of 1676870640 in words is "one billion, six hundred seventy-six million, eight hundred seventy thousand, six hundred forty".