16645262050 has 24 divisors (see below), whose sum is σ = 30982734612. Its totient is φ = 6653256000.

The previous prime is 16645262027. The next prime is 16645262059. The reversal of 16645262050 is 5026254661.

16645262050 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 11016811521 + 5628450529 = 104961^2 + 75023^2 .

It is not an unprimeable number, because it can be changed into a prime (16645262059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51481 + ... + 189580.

Almost surely, 2^16645262050 is an apocalyptic number.

16645262050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16645262050 is a deficient number, since it is larger than the sum of its proper divisors (14337472562).

16645262050 is a wasteful number, since it uses less digits than its factorization.

16645262050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242454 (or 242449 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 16645262050 in words is "sixteen billion, six hundred forty-five million, two hundred sixty-two thousand, fifty".