66551126 has 8 divisors (see below), whose sum is σ = 100384920. Its totient is φ = 33089488.

The previous prime is 66551119. The next prime is 66551137. The reversal of 66551126 is 62115566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×66551126³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66551092 and 66551101.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 92591 + ... + 93306.

It is an arithmetic number, because the mean of its divisors is an integer number (12548115).

Almost surely, 2^66551126 is an apocalyptic number.

66551126 is a deficient number, since it is larger than the sum of its proper divisors (33833794).

66551126 is a wasteful number, since it uses less digits than its factorization.

66551126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186078.

The product of its digits is 10800, while the sum is 32.

The square root of 66551126 is about 8157.8873490629. The cubic root of 66551126 is about 405.2457503579.

The spelling of 66551126 in words is "sixty-six million, five hundred fifty-one thousand, one hundred twenty-six".