5721601656005 has 8 divisors (see below), whose sum is σ = 7087403341824. Its totient is φ = 4429627088400.

The previous prime is 5721601655977. The next prime is 5721601656077. The reversal of 5721601656005 is 5006561061275.

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

It is not a de Polignac number, because 5721601656005 - 2⁴⁰ = 4622090028229 is a prime.

It is a Duffinian number.

It is a congruent 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, 18456779381 + ... + 18456779690.

It is an arithmetic number, because the mean of its divisors is an integer number (885925417728).

Almost surely, 2^{5721601656005} is an apocalyptic number.

It is an amenable number.

5721601656005 is a deficient number, since it is larger than the sum of its proper divisors (1365801685819).

5721601656005 is a wasteful number, since it uses less digits than its factorization.

5721601656005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36913559107.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 5721601656005 in words is "five trillion, seven hundred twenty-one billion, six hundred one million, six hundred fifty-six thousand, five".