1606635930 has 16 divisors (see below), whose sum is σ = 3855926304. Its totient is φ = 428436240.

The previous prime is 1606635917. The next prime is 1606635959. The reversal of 1606635930 is 395366061.

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 7 ways as a sum of consecutive naturals, for example, 26777236 + ... + 26777295.

It is an arithmetic number, because the mean of its divisors is an integer number (240995394).

Almost surely, 2^1606635930 is an apocalyptic number.

1606635930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1606635930 is an abundant number, since it is smaller than the sum of its proper divisors (2249290374).

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

1606635930 is a wasteful number, since it uses less digits than its factorization.

1606635930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53554541.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 1606635930 is about 40082.8632959274. The cubic root of 1606635930 is about 1171.2218297440.

The spelling of 1606635930 in words is "one billion, six hundred six million, six hundred thirty-five thousand, nine hundred thirty".