1351666315 has 8 divisors (see below), whose sum is σ = 1623068208. Its totient is φ = 1080620640.

The previous prime is 1351666271. The next prime is 1351666331. The reversal of 1351666315 is 5136661531.

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

It is not a de Polignac number, because 1351666315 - 2¹¹ = 1351664267 is a prime.

It is a super-5 number, since 5×1351666315⁵ (a number of 47 digits) contains 55555 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80632 + ... + 95941.

It is an arithmetic number, because the mean of its divisors is an integer number (202883526).

Almost surely, 2^1351666315 is an apocalyptic number.

1351666315 is a deficient number, since it is larger than the sum of its proper divisors (271401893).

1351666315 is a wasteful number, since it uses less digits than its factorization.

1351666315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178109.

The product of its digits is 48600, while the sum is 37.

The square root of 1351666315 is about 36765.0148238784. The cubic root of 1351666315 is about 1105.6639853679.

The spelling of 1351666315 in words is "one billion, three hundred fifty-one million, six hundred sixty-six thousand, three hundred fifteen".