266073400373 has 16 divisors (see below), whose sum is σ = 294873997056. Its totient is φ = 238055811840.

The previous prime is 266073400321. The next prime is 266073400421. The reversal of 266073400373 is 373004370662.

It is not a de Polignac number, because 266073400373 - 2⁶ = 266073400309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266073400373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266073400673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13961 + ... + 729617.

It is an arithmetic number, because the mean of its divisors is an integer number (18429624816).

Almost surely, 2^266073400373 is an apocalyptic number.

It is an amenable number.

266073400373 is a deficient number, since it is larger than the sum of its proper divisors (28800596683).

266073400373 is a wasteful number, since it uses less digits than its factorization.

266073400373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716204.

The product of its (nonzero) digits is 381024, while the sum is 41.

The spelling of 266073400373 in words is "two hundred sixty-six billion, seventy-three million, four hundred thousand, three hundred seventy-three".