1350623401266 has 16 divisors (see below), whose sum is σ = 2701644535584. Its totient is φ = 450141511584.

The previous prime is 1350623401261. The next prime is 1350623401277. The reversal of 1350623401266 is 6621043260531.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1350623401261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16528056 + ... + 16609571.

It is an arithmetic number, because the mean of its divisors is an integer number (168852783474).

Almost surely, 2^{1350623401266} is an apocalyptic number.

1350623401266 is an abundant number, since it is smaller than the sum of its proper divisors (1351021134318).

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

1350623401266 is a wasteful number, since it uses less digits than its factorization.

1350623401266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33144425.

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 1350623401266 its reverse (6621043260531), we get a palindrome (7971666661797).

The spelling of 1350623401266 in words is "one trillion, three hundred fifty billion, six hundred twenty-three million, four hundred one thousand, two hundred sixty-six".