1670982520 has 16 divisors (see below), whose sum is σ = 3759710760. Its totient is φ = 668392992.

The previous prime is 1670982497. The next prime is 1670982529. The reversal of 1670982520 is 252890761.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 41774563 = 1670982520 / (1 + 6 + 7 + 0 + 9 + 8 + 2 + 5 + 2 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670982529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20887242 + ... + 20887321.

Almost surely, 2^1670982520 is an apocalyptic number.

1670982520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1670982520 is an abundant number, since it is smaller than the sum of its proper divisors (2088728240).

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

1670982520 is a wasteful number, since it uses less digits than its factorization.

1670982520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41774574 (or 41774570 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1670982520 is about 40877.6530637462. The cubic root of 1670982520 is about 1186.6536213831.

The spelling of 1670982520 in words is "one billion, six hundred seventy million, nine hundred eighty-two thousand, five hundred twenty".