16636620246 has 16 divisors (see below), whose sum is σ = 33281137008. Its totient is φ = 5544224000.

The previous prime is 16636620233. The next prime is 16636620283. The reversal of 16636620246 is 64202663661.

It is a junction number, because it is equal to n+sod(n) for n = 16636620198 and 16636620207.

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, 301455 + ... + 352346.

It is an arithmetic number, because the mean of its divisors is an integer number (2080071063).

Almost surely, 2^16636620246 is an apocalyptic number.

16636620246 is an abundant number, since it is smaller than the sum of its proper divisors (16644516762).

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

16636620246 is a wasteful number, since it uses less digits than its factorization.

16636620246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658047.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 16636620246 in words is "sixteen billion, six hundred thirty-six million, six hundred twenty thousand, two hundred forty-six".