126305471667 has 16 divisors (see below), whose sum is σ = 173922923520. Its totient is φ = 81486094272.

The previous prime is 126305471651. The next prime is 126305471729. The reversal of 126305471667 is 766174503621.

It is a happy number.

It is not a de Polignac number, because 126305471667 - 2⁴ = 126305471651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126305471647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5019943 + ... + 5045040.

It is an arithmetic number, because the mean of its divisors is an integer number (10870182720).

Almost surely, 2^126305471667 is an apocalyptic number.

126305471667 is a deficient number, since it is larger than the sum of its proper divisors (47617451853).

126305471667 is a wasteful number, since it uses less digits than its factorization.

126305471667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065122.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 126305471667 in words is "one hundred twenty-six billion, three hundred five million, four hundred seventy-one thousand, six hundred sixty-seven".