153306807818 has 16 divisors (see below), whose sum is σ = 231399039816. Its totient is φ = 76175278080.

The previous prime is 153306807817. The next prime is 153306807853. The reversal of 153306807818 is 818708603351.

It can be written as a sum of positive squares in 4 ways, for example, as 148222690009 + 5084117809 = 384997^2 + 71303^2 .

It is a super-2 number, since 2×153306807818² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (153306807811) 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, 163703 + ... + 577418.

Almost surely, 2^153306807818 is an apocalyptic number.

153306807818 is a deficient number, since it is larger than the sum of its proper divisors (78092231998).

153306807818 is a wasteful number, since it uses less digits than its factorization.

153306807818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741769.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 153306807818 in words is "one hundred fifty-three billion, three hundred six million, eight hundred seven thousand, eight hundred eighteen".