266868153802 has 8 divisors (see below), whose sum is σ = 400329266112. Its totient is φ = 133425065100.

The previous prime is 266868153779. The next prime is 266868153803. The reversal of 266868153802 is 208351868662.

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

It is a super-2 number, since 2×266868153802² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266868153803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4468824 + ... + 4528147.

It is an arithmetic number, because the mean of its divisors is an integer number (50041158264).

Almost surely, 2^266868153802 is an apocalyptic number.

266868153802 is a deficient number, since it is larger than the sum of its proper divisors (133461112310).

266868153802 is a wasteful number, since it uses less digits than its factorization.

266868153802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011804.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 266868153802 in words is "two hundred sixty-six billion, eight hundred sixty-eight million, one hundred fifty-three thousand, eight hundred two".