6126665105 has 32 divisors (see below), whose sum is σ = 8498856960. Its totient is φ = 4190341120.

The previous prime is 6126665101. The next prime is 6126665107. The reversal of 6126665105 is 5015666216.

It is not a de Polignac number, because 6126665105 - 2² = 6126665101 is a prime.

It is a super-2 number, since 2×6126665105² = 75072050617649322050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6126665101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2062061 + ... + 2065029.

It is an arithmetic number, because the mean of its divisors is an integer number (265589280).

Almost surely, 2^6126665105 is an apocalyptic number.

It is an amenable number.

6126665105 is a deficient number, since it is larger than the sum of its proper divisors (2372191855).

6126665105 is a wasteful number, since it uses less digits than its factorization.

6126665105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 6126665105 is about 78273.0164552255. The cubic root of 6126665105 is about 1829.8186393971.

The spelling of 6126665105 in words is "six billion, one hundred twenty-six million, six hundred sixty-five thousand, one hundred five".