266131541422 has 4 divisors (see below), whose sum is σ = 399197312136. Its totient is φ = 133065770710.

The previous prime is 266131541393. The next prime is 266131541437. The reversal of 266131541422 is 224145131662.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66532885354 + ... + 66532885357.

It is an arithmetic number, because the mean of its divisors is an integer number (99799328034).

Almost surely, 2^266131541422 is an apocalyptic number.

266131541422 is a deficient number, since it is larger than the sum of its proper divisors (133065770714).

266131541422 is a wasteful number, since it uses less digits than its factorization.

266131541422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133065770713.

The product of its digits is 69120, while the sum is 37.

The spelling of 266131541422 in words is "two hundred sixty-six billion, one hundred thirty-one million, five hundred forty-one thousand, four hundred twenty-two".