16101816536 has 32 divisors (see below), whose sum is σ = 32563671840. Its totient is φ = 7420090368.

The previous prime is 16101816503. The next prime is 16101816541. The reversal of 16101816536 is 63561810161.

It is a self number, because there is not a number n which added to its sum of digits gives 16101816536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52361 + ... + 186936.

It is an arithmetic number, because the mean of its divisors is an integer number (1017614745).

Almost surely, 2^16101816536 is an apocalyptic number.

It is an amenable number.

16101816536 is an abundant number, since it is smaller than the sum of its proper divisors (16461855304).

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

16101816536 is a wasteful number, since it uses less digits than its factorization.

16101816536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239963 (or 239959 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 16101816536 in words is "sixteen billion, one hundred one million, eight hundred sixteen thousand, five hundred thirty-six".