1226551576946 has 16 divisors (see below), whose sum is σ = 1859008306176. Its totient is φ = 606883595136.

The previous prime is 1226551576897. The next prime is 1226551576979. The reversal of 1226551576946 is 6496751556221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349615 + ... + 2067501.

It is an arithmetic number, because the mean of its divisors is an integer number (116188019136).

Almost surely, 2^{1226551576946} is an apocalyptic number.

1226551576946 is a deficient number, since it is larger than the sum of its proper divisors (632456729230).

1226551576946 is an equidigital number, since it uses as much as digits as its factorization.

1226551576946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726793.

The product of its digits is 27216000, while the sum is 59.

The spelling of 1226551576946 in words is "one trillion, two hundred twenty-six billion, five hundred fifty-one million, five hundred seventy-six thousand, nine hundred forty-six".