1890016320 has 56 divisors (see below), whose sum is σ = 6000804864. Its totient is φ = 504004096.

The previous prime is 1890016313. The next prime is 1890016343. The reversal of 1890016320 is 236100981.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983424 + ... + 985343.

Almost surely, 2^1890016320 is an apocalyptic number.

1890016320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1890016320 is an abundant number, since it is smaller than the sum of its proper divisors (4110788544).

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

1890016320 is a wasteful number, since it uses less digits than its factorization.

1890016320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968787 (or 1968777 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1890016320 is about 43474.3179359953. The cubic root of 1890016320 is about 1236.3891486295.

The spelling of 1890016320 in words is "one billion, eight hundred ninety million, sixteen thousand, three hundred twenty".