1351633321066 has 32 divisors (see below), whose sum is σ = 2401288986240. Its totient is φ = 558292330176.

The previous prime is 1351633321057. The next prime is 1351633321069. The reversal of 1351633321066 is 6601233361531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1351633321069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2762320 + ... + 3214603.

It is an arithmetic number, because the mean of its divisors is an integer number (75040280820).

Almost surely, 2^{1351633321066} is an apocalyptic number.

1351633321066 is a deficient number, since it is larger than the sum of its proper divisors (1049655665174).

1351633321066 is a wasteful number, since it uses less digits than its factorization.

1351633321066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977518.

The product of its (nonzero) digits is 174960, while the sum is 40.

Adding to 1351633321066 its reverse (6601233361531), we get a palindrome (7952866682597).

The spelling of 1351633321066 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-three million, three hundred twenty-one thousand, sixty-six".