1670022144 has 176 divisors, whose sum is σ = 5652995200. Its totient is φ = 477093888.

The previous prime is 1670022143. The next prime is 1670022181. The reversal of 1670022144 is 4412200761.

It is a super-2 number, since 2×1670022144² = 5577947922900713472, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1670022143) 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, 189222 + ... + 197850.

Almost surely, 2^1670022144 is an apocalyptic number.

1670022144 is a gapful number since it is divisible by the number (14) 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 1670022144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2826497600).

1670022144 is an abundant number, since it is smaller than the sum of its proper divisors (3982973056).

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

1670022144 is an equidigital number, since it uses as much as digits as its factorization.

1670022144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8665 (or 8641 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1670022144 is about 40865.9044192099. The cubic root of 1670022144 is about 1186.4262397788.

The spelling of 1670022144 in words is "one billion, six hundred seventy million, twenty-two thousand, one hundred forty-four".