1990016030 has 8 divisors (see below), whose sum is σ = 3582028872. Its totient is φ = 796006408.

The previous prime is 1990016011. The next prime is 1990016071. The reversal of 1990016030 is 306100991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1990015984 and 1990016002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99500792 + ... + 99500811.

It is an arithmetic number, because the mean of its divisors is an integer number (447753609).

Almost surely, 2^1990016030 is an apocalyptic number.

1990016030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1990016030 is a deficient number, since it is larger than the sum of its proper divisors (1592012842).

1990016030 is a wasteful number, since it uses less digits than its factorization.

1990016030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199001610.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1990016030 is about 44609.5957166168. The cubic root of 1990016030 is about 1257.8210492908.

The spelling of 1990016030 in words is "one billion, nine hundred ninety million, sixteen thousand, thirty".