153243640266 has 8 divisors (see below), whose sum is σ = 306487280544. Its totient is φ = 51081213420.

The previous prime is 153243640247. The next prime is 153243640309. The reversal of 153243640266 is 662046342351.

It is a happy number.

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

153243640266 is an admirable number.

It is a super-2 number, since 2×153243640266² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12770303350 + ... + 12770303361.

It is an arithmetic number, because the mean of its divisors is an integer number (38310910068).

Almost surely, 2^153243640266 is an apocalyptic number.

153243640266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153243640266 is a wasteful number, since it uses less digits than its factorization.

153243640266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25540606716.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 153243640266 in words is "one hundred fifty-three billion, two hundred forty-three million, six hundred forty thousand, two hundred sixty-six".