266554555660150 has 24 divisors (see below), whose sum is σ = 499410389405880. Its totient is φ = 105843560784960.

The previous prime is 266554555660147. The next prime is 266554555660157. The reversal of 266554555660150 is 51066555455662.

It is a super-2 number, since 2×266554555660150² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266554555660157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19456530060 + ... + 19456543759.

It is an arithmetic number, because the mean of its divisors is an integer number (20808766225245).

Almost surely, 2^{266554555660150} is an apocalyptic number.

266554555660150 is a deficient number, since it is larger than the sum of its proper divisors (232855833745730).

266554555660150 is a wasteful number, since it uses less digits than its factorization.

266554555660150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38913073968 (or 38913073963 counting only the distinct ones).

The product of its (nonzero) digits is 162000000, while the sum is 61.

The spelling of 266554555660150 in words is "two hundred sixty-six trillion, five hundred fifty-four billion, five hundred fifty-five million, six hundred sixty thousand, one hundred fifty".