13616685970 has 8 divisors (see below), whose sum is σ = 24510034764. Its totient is φ = 5446674384.

The previous prime is 13616685941. The next prime is 13616685991. The reversal of 13616685970 is 7958661631.

It is a happy number.

13616685970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13591595889 + 25090081 = 116583^2 + 5009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680834289 + ... + 680834308.

Almost surely, 2^13616685970 is an apocalyptic number.

13616685970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13616685970 is a deficient number, since it is larger than the sum of its proper divisors (10893348794).

13616685970 is a wasteful number, since it uses less digits than its factorization.

13616685970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361668604.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 13616685970 in words is "thirteen billion, six hundred sixteen million, six hundred eighty-five thousand, nine hundred seventy".