266055292394 has 16 divisors (see below), whose sum is σ = 429025334400. Its totient is φ = 123344781984.

The previous prime is 266055292339. The next prime is 266055292403. The reversal of 266055292394 is 493292550662.

It is a super-2 number, since 2×266055292394² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74481779 + ... + 74485350.

It is an arithmetic number, because the mean of its divisors is an integer number (26814083400).

Almost surely, 2^266055292394 is an apocalyptic number.

266055292394 is a deficient number, since it is larger than the sum of its proper divisors (162970042006).

266055292394 is a wasteful number, since it uses less digits than its factorization.

266055292394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148967197.

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 266055292394 in words is "two hundred sixty-six billion, fifty-five million, two hundred ninety-two thousand, three hundred ninety-four".