1670262120 has 160 divisors (see below), whose sum is σ = 5682489120. Its totient is φ = 439966080.

The previous prime is 1670262091. The next prime is 1670262133. The reversal of 1670262120 is 212620761.

1670262120 is a `hidden beast` number, since 16 + 7 + 0 + 2 + 621 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 265815 + ... + 272025.

It is an arithmetic number, because the mean of its divisors is an integer number (35515557).

Almost surely, 2^1670262120 is an apocalyptic number.

1670262120 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 1670262120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2841244560).

1670262120 is an abundant number, since it is smaller than the sum of its proper divisors (4012227000).

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

1670262120 is a wasteful number, since it uses less digits than its factorization.

1670262120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317 (or 6304 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1670262120 is about 40868.8404533331. The cubic root of 1670262120 is about 1186.4830654100.

Adding to 1670262120 its reverse (212620761), we get a palindrome (1882882881).

The spelling of 1670262120 in words is "one billion, six hundred seventy million, two hundred sixty-two thousand, one hundred twenty".