266061162165346 has 64 divisors (see below), whose sum is σ = 434675248128000. Its totient is φ = 121674678975360.

The previous prime is 266061162165317. The next prime is 266061162165349. The reversal of 266061162165346 is 643561261160662.

It is a super-2 number, since 2×266061162165346² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266061162165349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9296647425 + ... + 9296676043.

It is an arithmetic number, because the mean of its divisors is an integer number (6791800752000).

Almost surely, 2^{266061162165346} is an apocalyptic number.

266061162165346 is a deficient number, since it is larger than the sum of its proper divisors (168614085962654).

266061162165346 is a wasteful number, since it uses less digits than its factorization.

266061162165346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47087.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 266061162165346 in words is "two hundred sixty-six trillion, sixty-one billion, one hundred sixty-two million, one hundred sixty-five thousand, three hundred forty-six".