85366188554 has 16 divisors (see below), whose sum is σ = 130430855016. Its totient is φ = 41892273600.

The previous prime is 85366188553. The next prime is 85366188563. The reversal of 85366188554 is 45588166358.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68290755625 + 17075432929 = 261325^2 + 130673^2 .

It is a super-2 number, since 2×85366188554² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85366188493 and 85366188502.

It is not an unprimeable number, because it can be changed into a prime (85366188553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702677 + ... + 815160.

Almost surely, 2^85366188554 is an apocalyptic number.

85366188554 is a deficient number, since it is larger than the sum of its proper divisors (45064666462).

85366188554 is a wasteful number, since it uses less digits than its factorization.

85366188554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518361.

The product of its digits is 27648000, while the sum is 59.

The spelling of 85366188554 in words is "eighty-five billion, three hundred sixty-six million, one hundred eighty-eight thousand, five hundred fifty-four".