1670165490 has 96 divisors (see below), whose sum is σ = 4671665280. Its totient is φ = 381029376.

The previous prime is 1670165473. The next prime is 1670165501. The reversal of 1670165490 is 945610761.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1365019 + ... + 1366241.

It is an arithmetic number, because the mean of its divisors is an integer number (48663180).

Almost surely, 2^1670165490 is an apocalyptic number.

1670165490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1670165490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2335832640).

1670165490 is an abundant number, since it is smaller than the sum of its proper divisors (3001499790).

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

1670165490 is a wasteful number, since it uses less digits than its factorization.

1670165490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1670165490 is about 40867.6582397377. The cubic root of 1670165490 is about 1186.4601843567.

The spelling of 1670165490 in words is "one billion, six hundred seventy million, one hundred sixty-five thousand, four hundred ninety".