1608303901 has 16 divisors (see below), whose sum is σ = 1722060288. Its totient is φ = 1499256000.

The previous prime is 1608303821. The next prime is 1608303929. The reversal of 1608303901 is 1093038061.

It is a cyclic number.

It is not a de Polignac number, because 1608303901 - 2¹¹ = 1608301853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608303101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108906 + ... + 122788.

It is an arithmetic number, because the mean of its divisors is an integer number (107628768).

Almost surely, 2^1608303901 is an apocalyptic number.

It is an amenable number.

1608303901 is a deficient number, since it is larger than the sum of its proper divisors (113756387).

1608303901 is a wasteful number, since it uses less digits than its factorization.

1608303901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14052.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1608303901 is about 40103.6644335652. The cubic root of 1608303901 is about 1171.6270010612.

The spelling of 1608303901 in words is "one billion, six hundred eight million, three hundred three thousand, nine hundred one".