16506102038 has 4 divisors (see below), whose sum is σ = 24759153060. Its totient is φ = 8253051018.

The previous prime is 16506102031. The next prime is 16506102073. The reversal of 16506102038 is 83020160561.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 16506101995 and 16506102013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506102031) 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 as a sum of consecutive naturals, namely, 4126525508 + ... + 4126525511.

It is an arithmetic number, because the mean of its divisors is an integer number (6189788265).

Almost surely, 2^16506102038 is an apocalyptic number.

16506102038 is a deficient number, since it is larger than the sum of its proper divisors (8253051022).

16506102038 is an equidigital number, since it uses as much as digits as its factorization.

16506102038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8253051021.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 16506102038 its reverse (83020160561), we get a palindrome (99526262599).

The spelling of 16506102038 in words is "sixteen billion, five hundred six million, one hundred two thousand, thirty-eight".