126665524334 has 4 divisors (see below), whose sum is σ = 189998286504. Its totient is φ = 63332762166.

The previous prime is 126665524301. The next prime is 126665524397. The reversal of 126665524334 is 433425566621.

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

It is a super-2 number, since 2×126665524334² (a number of 23 digits) contains 22 as substring.

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, 31666381082 + ... + 31666381085.

It is an arithmetic number, because the mean of its divisors is an integer number (47499571626).

Almost surely, 2^126665524334 is an apocalyptic number.

126665524334 is a deficient number, since it is larger than the sum of its proper divisors (63332762170).

126665524334 is an equidigital number, since it uses as much as digits as its factorization.

126665524334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63332762169.

The product of its digits is 3110400, while the sum is 47.

The spelling of 126665524334 in words is "one hundred twenty-six billion, six hundred sixty-five million, five hundred twenty-four thousand, three hundred thirty-four".