16986816970 has 16 divisors (see below), whose sum is σ = 30632178528. Its totient is φ = 6782302800.

The previous prime is 16986816929. The next prime is 16986816971. The reversal of 16986816970 is 7961868961.

It is a junction number, because it is equal to n+sod(n) for n = 16986816899 and 16986816908.

It is not an unprimeable number, because it can be changed into a prime (16986816971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547256 + ... + 1558195.

It is an arithmetic number, because the mean of its divisors is an integer number (1914511158).

Almost surely, 2^16986816970 is an apocalyptic number.

16986816970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16986816970 is a deficient number, since it is larger than the sum of its proper divisors (13645361558).

16986816970 is a wasteful number, since it uses less digits than its factorization.

16986816970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106005.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 16986816970 in words is "sixteen billion, nine hundred eighty-six million, eight hundred sixteen thousand, nine hundred seventy".