16441947603 has 12 divisors (see below), whose sum is σ = 23777797680. Its totient is φ = 10948228656.

The previous prime is 16441947581. The next prime is 16441947659. The reversal of 16441947603 is 30674914461.

16441947603 is a `hidden beast` number, since 164 + 4 + 19 + 476 + 0 + 3 = 666.

It is not a de Polignac number, because 16441947603 - 2¹³ = 16441939411 is a prime.

It is a super-3 number, since 3×16441947603³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16441946603) 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, 1081176 + ... + 1096277.

It is an arithmetic number, because the mean of its divisors is an integer number (1981483140).

Almost surely, 2^16441947603 is an apocalyptic number.

16441947603 is a deficient number, since it is larger than the sum of its proper divisors (7335850077).

16441947603 is a wasteful number, since it uses less digits than its factorization.

16441947603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178298 (or 2178295 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 16441947603 in words is "sixteen billion, four hundred forty-one million, nine hundred forty-seven thousand, six hundred three".