16466370453 has 12 divisors (see below), whose sum is σ = 25614354220. Its totient is φ = 10133150976.

The previous prime is 16466370419. The next prime is 16466370457. The reversal of 16466370453 is 35407366461.

16466370453 is a `hidden beast` number, since 1 + 6 + 4 + 6 + 637 + 0 + 4 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3230558244 + 13235812209 = 56838^2 + 115047^2 .

It is not a de Polignac number, because 16466370453 - 2¹⁷ = 16466239381 is a prime.

It is a super-2 number, since 2×16466370453² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16466370399 and 16466370408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16466370457) 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, 70368988 + ... + 70369221.

Almost surely, 2^16466370453 is an apocalyptic number.

16466370453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16466370453 is a deficient number, since it is larger than the sum of its proper divisors (9147983767).

16466370453 is a wasteful number, since it uses less digits than its factorization.

16466370453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140738228 (or 140738225 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 16466370453 in words is "sixteen billion, four hundred sixty-six million, three hundred seventy thousand, four hundred fifty-three".