16616252043 has 48 divisors (see below), whose sum is σ = 25506883584. Its totient is φ = 10401747840.

The previous prime is 16616252033. The next prime is 16616252053. The reversal of 16616252043 is 34025261661.

16616252043 is a `hidden beast` number, since 1 + 6 + 6 + 1 + 625 + 20 + 4 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (16616252033) and next prime (16616252053).

It is not a de Polignac number, because 16616252043 - 2⁴ = 16616252027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16616251989 and 16616252007.

It is not an unprimeable number, because it can be changed into a prime (16616252033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3367288 + ... + 3372218.

It is an arithmetic number, because the mean of its divisors is an integer number (531393408).

Almost surely, 2^16616252043 is an apocalyptic number.

16616252043 is a deficient number, since it is larger than the sum of its proper divisors (8890631541).

16616252043 is a wasteful number, since it uses less digits than its factorization.

16616252043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 5253 counting only the distinct ones).

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

The spelling of 16616252043 in words is "sixteen billion, six hundred sixteen million, two hundred fifty-two thousand, forty-three".