13652159866 has 32 divisors (see below), whose sum is σ = 21137500800. Its totient is φ = 6610279104.

The previous prime is 13652159863. The next prime is 13652159881. The reversal of 13652159866 is 66895125631.

It is a super-2 number, since 2×13652159866² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13652159863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2571771 + ... + 2577073.

It is an arithmetic number, because the mean of its divisors is an integer number (660546900).

Almost surely, 2^13652159866 is an apocalyptic number.

13652159866 is a deficient number, since it is larger than the sum of its proper divisors (7485340934).

13652159866 is a wasteful number, since it uses less digits than its factorization.

13652159866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670.

The product of its digits is 2332800, while the sum is 52.

It can be divided in two parts, 13652159 and 866, that added together give a square (13653025 = 3695²).

The spelling of 13652159866 in words is "thirteen billion, six hundred fifty-two million, one hundred fifty-nine thousand, eight hundred sixty-six".