1351161607408 has 20 divisors (see below), whose sum is σ = 2617900021800. Its totient is φ = 675574505024.

The previous prime is 1351161607381. The next prime is 1351161607417. The reversal of 1351161607408 is 8047061611531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719966 + ... + 2379202.

It is an arithmetic number, because the mean of its divisors is an integer number (130895001090).

Almost surely, 2^{1351161607408} is an apocalyptic number.

It is an amenable number.

1351161607408 is a deficient number, since it is larger than the sum of its proper divisors (1266738414392).

1351161607408 is a wasteful number, since it uses less digits than its factorization.

1351161607408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787344 (or 787338 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 1351161607408 in words is "one trillion, three hundred fifty-one billion, one hundred sixty-one million, six hundred seven thousand, four hundred eight".