266046012553645 has 48 divisors (see below), whose sum is σ = 342153806258880. Its totient is φ = 198468294571008.

The previous prime is 266046012553619. The next prime is 266046012553721. The reversal of 266046012553645 is 546355210640662.

It is not a de Polignac number, because 266046012553645 - 2¹¹ = 266046012551597 is a prime.

It is a super-3 number, since 3×266046012553645³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57247101 + ... + 61719709.

It is an arithmetic number, because the mean of its divisors is an integer number (7128204297060).

Almost surely, 2^{266046012553645} is an apocalyptic number.

It is an amenable number.

266046012553645 is a deficient number, since it is larger than the sum of its proper divisors (76107793705235).

266046012553645 is a wasteful number, since it uses less digits than its factorization.

266046012553645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473226 (or 4473203 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 55.

The spelling of 266046012553645 in words is "two hundred sixty-six trillion, forty-six billion, twelve million, five hundred fifty-three thousand, six hundred forty-five".