1350635220666 has 48 divisors (see below), whose sum is σ = 3057170538240. Its totient is φ = 430439503680.

The previous prime is 1350635220661. The next prime is 1350635220703. The reversal of 1350635220666 is 6660225360531.

It is not an unprimeable number, because it can be changed into a prime (1350635220661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14534971 + ... + 14627598.

It is an arithmetic number, because the mean of its divisors is an integer number (63691052880).

Almost surely, 2^{1350635220666} is an apocalyptic number.

1350635220666 is an abundant number, since it is smaller than the sum of its proper divisors (1706535317574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1350635220666 is a wasteful number, since it uses less digits than its factorization.

1350635220666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29162691 (or 29162688 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 1350635220666 in words is "one trillion, three hundred fifty billion, six hundred thirty-five million, two hundred twenty thousand, six hundred sixty-six".