1351347576646 has 16 divisors (see below), whose sum is σ = 2032007084208. Its totient is φ = 674012152800.

The previous prime is 1351347576643. The next prime is 1351347576661. The reversal of 1351347576646 is 6466757431531.

It is a super-2 number, since 2×1351347576646² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351347576643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11029056 + ... + 11150908.

It is an arithmetic number, because the mean of its divisors is an integer number (127000442763).

Almost surely, 2^{1351347576646} is an apocalyptic number.

1351347576646 is a deficient number, since it is larger than the sum of its proper divisors (680659507562).

1351347576646 is a wasteful number, since it uses less digits than its factorization.

1351347576646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135447.

The product of its digits is 38102400, while the sum is 58.

The spelling of 1351347576646 in words is "one trillion, three hundred fifty-one billion, three hundred forty-seven million, five hundred seventy-six thousand, six hundred forty-six".