1351196661 has 8 divisors (see below), whose sum is σ = 1806615360. Its totient is φ = 898287872.

The previous prime is 1351196653. The next prime is 1351196689. The reversal of 1351196661 is 1666911531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1351196661 - 2³ = 1351196653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351196641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626220 + ... + 628373.

It is an arithmetic number, because the mean of its divisors is an integer number (225826920).

Almost surely, 2^1351196661 is an apocalyptic number.

It is an amenable number.

1351196661 is a deficient number, since it is larger than the sum of its proper divisors (455418699).

1351196661 is a wasteful number, since it uses less digits than its factorization.

1351196661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254955.

The product of its digits is 29160, while the sum is 39.

The square root of 1351196661 is about 36758.6270282229. The cubic root of 1351196661 is about 1105.5359114336.

The spelling of 1351196661 in words is "one billion, three hundred fifty-one million, one hundred ninety-six thousand, six hundred sixty-one".