266044020662634 has 32 divisors (see below), whose sum is σ = 555223343316480. Its totient is φ = 84825470990832.

The previous prime is 266044020662621. The next prime is 266044020662669. The reversal of 266044020662634 is 436266020440662.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88500249 + ... + 91456995.

It is an arithmetic number, because the mean of its divisors is an integer number (17350729478640).

Almost surely, 2^{266044020662634} is an apocalyptic number.

266044020662634 is an abundant number, since it is smaller than the sum of its proper divisors (289179322653846).

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

266044020662634 is a wasteful number, since it uses less digits than its factorization.

266044020662634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608794.

The product of its (nonzero) digits is 11943936, while the sum is 51.

The spelling of 266044020662634 in words is "two hundred sixty-six trillion, forty-four billion, twenty million, six hundred sixty-two thousand, six hundred thirty-four".