266019377121354 has 16 divisors (see below), whose sum is σ = 532323724138848. Its totient is φ = 88625630724432.

The previous prime is 266019377121353. The next prime is 266019377121371. The reversal of 266019377121354 is 453121773910662.

266019377121354 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 266019377121294 and 266019377121303.

It is not an unprimeable number, because it can be changed into a prime (266019377121353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11873733537 + ... + 11873755940.

It is an arithmetic number, because the mean of its divisors is an integer number (33270232758678).

Almost surely, 2^{266019377121354} is an apocalyptic number.

266019377121354 is an abundant number, since it is smaller than the sum of its proper divisors (266304347017494).

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

266019377121354 is a wasteful number, since it uses less digits than its factorization.

266019377121354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23747491349.

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 266019377121354 in words is "two hundred sixty-six trillion, nineteen billion, three hundred seventy-seven million, one hundred twenty-one thousand, three hundred fifty-four".