16506146536 has 16 divisors (see below), whose sum is σ = 33762572640. Its totient is φ = 7502793840.

The previous prime is 16506146521. The next prime is 16506146537. The reversal of 16506146536 is 63564160561.

It is a junction number, because it is equal to n+sod(n) for n = 16506146492 and 16506146501.

It is not an unprimeable number, because it can be changed into a prime (16506146537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93784836 + ... + 93785011.

It is an arithmetic number, because the mean of its divisors is an integer number (2110160790).

Almost surely, 2^16506146536 is an apocalyptic number.

It is an amenable number.

16506146536 is an abundant number, since it is smaller than the sum of its proper divisors (17256426104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16506146536 is a wasteful number, since it uses less digits than its factorization.

16506146536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187569864 (or 187569860 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 16506146536 in words is "sixteen billion, five hundred six million, one hundred forty-six thousand, five hundred thirty-six".