18863342416 has 10 divisors (see below), whose sum is σ = 36547725962. Its totient is φ = 9431671200.

The previous prime is 18863342389. The next prime is 18863342431. The reversal of 18863342416 is 61424336881.

It can be written as a sum of positive squares in only one way, i.e., 10363240000 + 8500102416 = 101800^2 + 92196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589479435 + ... + 589479466.

Almost surely, 2^18863342416 is an apocalyptic number.

18863342416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18863342416 is a deficient number, since it is larger than the sum of its proper divisors (17684383546).

18863342416 is a wasteful number, since it uses less digits than its factorization.

18863342416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178958909 (or 1178958903 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The spelling of 18863342416 in words is "eighteen billion, eight hundred sixty-three million, three hundred forty-two thousand, four hundred sixteen".