16860536383 has 4 divisors (see below), whose sum is σ = 16993296640. Its totient is φ = 16727776128.

The previous prime is 16860536333. The next prime is 16860536389. The reversal of 16860536383 is 38363506861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38363506861 = 60703 ⋅631987.

It is a cyclic number.

It is not a de Polignac number, because 16860536383 - 2³³ = 8270601791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16860536389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66379938 + ... + 66380191.

It is an arithmetic number, because the mean of its divisors is an integer number (4248324160).

Almost surely, 2^16860536383 is an apocalyptic number.

16860536383 is a deficient number, since it is larger than the sum of its proper divisors (132760257).

16860536383 is a wasteful number, since it uses less digits than its factorization.

16860536383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132760256.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 16860536383 in words is "sixteen billion, eight hundred sixty million, five hundred thirty-six thousand, three hundred eighty-three".