15536654881066 has 16 divisors (see below), whose sum is σ = 25433475107040. Its totient is φ = 7059377513680.

The previous prime is 15536654881037. The next prime is 15536654881067. The reversal of 15536654881066 is 66018845663551.

It is a junction number, because it is equal to n+sod(n) for n = 15536654880989 and 15536654881007.

It is not an unprimeable number, because it can be changed into a prime (15536654881067) 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, 136859041 + ... + 136972516.

It is an arithmetic number, because the mean of its divisors is an integer number (1589592194190).

Almost surely, 2^{15536654881066} is an apocalyptic number.

15536654881066 is a deficient number, since it is larger than the sum of its proper divisors (9896820225974).

15536654881066 is a wasteful number, since it uses less digits than its factorization.

15536654881066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273834149.

The product of its (nonzero) digits is 124416000, while the sum is 64.

The spelling of 15536654881066 in words is "fifteen trillion, five hundred thirty-six billion, six hundred fifty-four million, eight hundred eighty-one thousand, sixty-six".