1123651600066 has 8 divisors (see below), whose sum is σ = 1714044813840. Its totient is φ = 552303328788.

The previous prime is 1123651600051. The next prime is 1123651600069. The reversal of 1123651600066 is 6600061563211.

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

It is a super-2 number, since 2×1123651600066² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123651599998 and 1123651600034.

It is not an unprimeable number, because it can be changed into a prime (1123651600069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4761235476 + ... + 4761235711.

It is an arithmetic number, because the mean of its divisors is an integer number (214255601730).

Almost surely, 2^{1123651600066} is an apocalyptic number.

1123651600066 is a deficient number, since it is larger than the sum of its proper divisors (590393213774).

1123651600066 is an equidigital number, since it uses as much as digits as its factorization.

1123651600066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522471248.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 1123651600066 in words is "one trillion, one hundred twenty-three billion, six hundred fifty-one million, six hundred thousand, sixty-six".