5657165015721 has 8 divisors (see below), whose sum is σ = 7602279496704. Its totient is φ = 3741746939280.

The previous prime is 5657165015681. The next prime is 5657165015729. The reversal of 5657165015721 is 1275105617565.

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

It is not a de Polignac number, because 5657165015721 - 2³³ = 5648575081129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5657165015729) 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, 7424100690 + ... + 7424101451.

It is an arithmetic number, because the mean of its divisors is an integer number (950284937088).

Almost surely, 2^{5657165015721} is an apocalyptic number.

It is an amenable number.

5657165015721 is a deficient number, since it is larger than the sum of its proper divisors (1945114480983).

5657165015721 is a wasteful number, since it uses less digits than its factorization.

5657165015721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14848202271.

The product of its (nonzero) digits is 2205000, while the sum is 51.

The spelling of 5657165015721 in words is "five trillion, six hundred fifty-seven billion, one hundred sixty-five million, fifteen thousand, seven hundred twenty-one".