16506140035 has 16 divisors (see below), whose sum is σ = 24694900992. Its totient is φ = 10289541600.

The previous prime is 16506140023. The next prime is 16506140059. The reversal of 16506140035 is 53004160561.

It is a de Polignac number, because none of the positive numbers 2^k-16506140035 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16506139979 and 16506140006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21436161 + ... + 21436930.

It is an arithmetic number, because the mean of its divisors is an integer number (1543431312).

Almost surely, 2^16506140035 is an apocalyptic number.

16506140035 is a deficient number, since it is larger than the sum of its proper divisors (8188760957).

16506140035 is a wasteful number, since it uses less digits than its factorization.

16506140035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42873114.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 16506140035 in words is "sixteen billion, five hundred six million, one hundred forty thousand, thirty-five".