1670786112 has 112 divisors (see below), whose sum is σ = 4694163840. Its totient is φ = 522657792.

The previous prime is 1670786111. The next prime is 1670786167. The reversal of 1670786112 is 2116870761.

It is not an unprimeable number, because it can be changed into a prime (1670786111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1817589 + ... + 1818507.

Almost surely, 2^1670786112 is an apocalyptic number.

1670786112 is a gapful number since it is divisible by the number (12) 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 1670786112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347081920).

1670786112 is an abundant number, since it is smaller than the sum of its proper divisors (3023377728).

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

1670786112 is a wasteful number, since it uses less digits than its factorization.

1670786112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 1670786112 is about 40875.2506047364. The cubic root of 1670786112 is about 1186.6071263033.

The spelling of 1670786112 in words is "one billion, six hundred seventy million, seven hundred eighty-six thousand, one hundred twelve".