16636355106 has 16 divisors (see below), whose sum is σ = 38025954624. Its totient is φ = 4753244304.

The previous prime is 16636355077. The next prime is 16636355137. The reversal of 16636355106 is 60155363661.

It is a super-2 number, since 2×16636355106² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 396103693 = 16636355106 / (1 + 6 + 6 + 3 + 6 + 3 + 5 + 5 + 1 + 0 + 6).

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, 198051805 + ... + 198051888.

It is an arithmetic number, because the mean of its divisors is an integer number (2376622164).

Almost surely, 2^16636355106 is an apocalyptic number.

16636355106 is an abundant number, since it is smaller than the sum of its proper divisors (21389599518).

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

16636355106 is a wasteful number, since it uses less digits than its factorization.

16636355106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396103705.

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 16636355106 in words is "sixteen billion, six hundred thirty-six million, three hundred fifty-five thousand, one hundred six".