1916920303 has 16 divisors (see below), whose sum is σ = 2048101056. Its totient is φ = 1790173440.

The previous prime is 1916920237. The next prime is 1916920307. The reversal of 1916920303 is 3030296191.

It is a cyclic number.

It is not a de Polignac number, because 1916920303 - 2²¹ = 1914823151 is a prime.

It is a super-2 number, since 2×1916920303² = 7349166896107223618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916920307) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 187225 + ... + 197197.

It is an arithmetic number, because the mean of its divisors is an integer number (128006316).

Almost surely, 2^1916920303 is an apocalyptic number.

1916920303 is a deficient number, since it is larger than the sum of its proper divisors (131180753).

1916920303 is a wasteful number, since it uses less digits than its factorization.

1916920303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1916920303 is about 43782.6484237763. The cubic root of 1916920303 is about 1242.2281096299.

The spelling of 1916920303 in words is "one billion, nine hundred sixteen million, nine hundred twenty thousand, three hundred three".