16706236680 has 192 divisors, whose sum is σ = 62800133760. Its totient is φ = 3772514304.

The previous prime is 16706236669. The next prime is 16706236681. The reversal of 16706236680 is 8663260761.

16706236680 is a `hidden beast` number, since 16 + 7 + 0 + 623 + 6 + 6 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (16706236681) 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, 169224 + ... + 249096.

It is an arithmetic number, because the mean of its divisors is an integer number (327084030).

Almost surely, 2^16706236680 is an apocalyptic number.

16706236680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16706236680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31400066880).

16706236680 is an abundant number, since it is smaller than the sum of its proper divisors (46093897080).

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

16706236680 is a wasteful number, since it uses less digits than its factorization.

16706236680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79980 (or 79973 counting only the distinct ones).

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

The spelling of 16706236680 in words is "sixteen billion, seven hundred six million, two hundred thirty-six thousand, six hundred eighty".