126916766 has 16 divisors (see below), whose sum is σ = 193952880. Its totient is φ = 62277120.

The previous prime is 126916763. The next prime is 126916799. The reversal of 126916766 is 667619621.

It is a happy number.

It is a super-2 number, since 2×126916766² = 32215730983797512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126916763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20606 + ... + 26046.

It is an arithmetic number, because the mean of its divisors is an integer number (12122055).

Almost surely, 2^126916766 is an apocalyptic number.

126916766 is a deficient number, since it is larger than the sum of its proper divisors (67036114).

126916766 is a wasteful number, since it uses less digits than its factorization.

126916766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659.

The product of its digits is 163296, while the sum is 44.

The square root of 126916766 is about 11265.7341527306. The cubic root of 126916766 is about 502.5427350766.

The spelling of 126916766 in words is "one hundred twenty-six million, nine hundred sixteen thousand, seven hundred sixty-six".