266912986760 has 32 divisors (see below), whose sum is σ = 686347680960. Its totient is φ = 91513023936.

The previous prime is 266912986661. The next prime is 266912986799. The reversal of 266912986760 is 67689219662.

It is a super-2 number, since 2×266912986760² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 266912986693 and 266912986702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476630054 + ... + 476630613.

It is an arithmetic number, because the mean of its divisors is an integer number (21448365030).

Almost surely, 2^266912986760 is an apocalyptic number.

266912986760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266912986760 is an abundant number, since it is smaller than the sum of its proper divisors (419434694200).

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

266912986760 is a wasteful number, since it uses less digits than its factorization.

266912986760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953260685 (or 953260681 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 266912986760 in words is "two hundred sixty-six billion, nine hundred twelve million, nine hundred eighty-six thousand, seven hundred sixty".