16616717432476 has 96 divisors (see below), whose sum is σ = 35021207313792. Its totient is φ = 6748940943360.

The previous prime is 16616717432443. The next prime is 16616717432501. The reversal of 16616717432476 is 67423471761661.

16616717432476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16616717432476² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25718700 + ... + 26356876.

It is an arithmetic number, because the mean of its divisors is an integer number (364804242852).

Almost surely, 2^{16616717432476} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16616717432476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17510603656896).

16616717432476 is an abundant number, since it is smaller than the sum of its proper divisors (18404489881316).

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

16616717432476 is a wasteful number, since it uses less digits than its factorization.

16616717432476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638879 (or 638877 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 61.

The spelling of 16616717432476 in words is "sixteen trillion, six hundred sixteen billion, seven hundred seventeen million, four hundred thirty-two thousand, four hundred seventy-six".