16063641450 has 36 divisors (see below), whose sum is σ = 43157651238. Its totient is φ = 4283637600.

The previous prime is 16063641449. The next prime is 16063641457. The reversal of 16063641450 is 5414636061.

It is a happy number.

16063641450 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 3 + 641 + 4 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6561486009 + 9502155441 = 81003^2 + 97479^2 .

It is not an unprimeable number, because it can be changed into a prime (16063641457) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17848041 + ... + 17848940.

Almost surely, 2^16063641450 is an apocalyptic number.

16063641450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16063641450 is an abundant number, since it is smaller than the sum of its proper divisors (27094009788).

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

16063641450 is a wasteful number, since it uses less digits than its factorization.

16063641450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35696999 (or 35696991 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 16063641450 in words is "sixteen billion, sixty-three million, six hundred forty-one thousand, four hundred fifty".