1226646137626 has 64 divisors (see below), whose sum is σ = 2345950365696. Its totient is φ = 467941017600.

The previous prime is 1226646137611. The next prime is 1226646137663. The reversal of 1226646137626 is 6267316466221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1198546 + ... + 1972258.

It is an arithmetic number, because the mean of its divisors is an integer number (36655474464).

Almost surely, 2^{1226646137626} is an apocalyptic number.

1226646137626 is a deficient number, since it is larger than the sum of its proper divisors (1119304228070).

1226646137626 is a wasteful number, since it uses less digits than its factorization.

1226646137626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774047.

The product of its digits is 5225472, while the sum is 52.

The spelling of 1226646137626 in words is "one trillion, two hundred twenty-six billion, six hundred forty-six million, one hundred thirty-seven thousand, six hundred twenty-six".