16115662303 has 4 divisors (see below), whose sum is σ = 17355328648. Its totient is φ = 14875995960.

The previous prime is 16115662301. The next prime is 16115662309. The reversal of 16115662303 is 30326651161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30326651161 = 20599 ⋅1472239.

It is a cyclic number.

It is not a de Polignac number, because 16115662303 - 2¹ = 16115662301 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 (16115662301) 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, 619833153 + ... + 619833178.

It is an arithmetic number, because the mean of its divisors is an integer number (4338832162).

Almost surely, 2^16115662303 is an apocalyptic number.

16115662303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16115662303 is a deficient number, since it is larger than the sum of its proper divisors (1239666345).

16115662303 is a wasteful number, since it uses less digits than its factorization.

16115662303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239666344.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 16115662303 in words is "sixteen billion, one hundred fifteen million, six hundred sixty-two thousand, three hundred three".