1351196665 has 64 divisors (see below), whose sum is σ = 2054868480. Its totient is φ = 830269440.

The previous prime is 1351196653. The next prime is 1351196689. The reversal of 1351196665 is 5666911531.

It is not a de Polignac number, because 1351196665 - 2⁵ = 1351196633 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2469922 + ... + 2470468.

It is an arithmetic number, because the mean of its divisors is an integer number (32107320).

Almost surely, 2^1351196665 is an apocalyptic number.

It is an amenable number.

1351196665 is a deficient number, since it is larger than the sum of its proper divisors (703671815).

1351196665 is a wasteful number, since it uses less digits than its factorization.

1351196665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its digits is 145800, while the sum is 43.

The square root of 1351196665 is about 36758.6270826319. The cubic root of 1351196665 is about 1105.5359125245.

The spelling of 1351196665 in words is "one billion, three hundred fifty-one million, one hundred ninety-six thousand, six hundred sixty-five".