5721611607 has 32 divisors (see below), whose sum is σ = 8959808000. Its totient is φ = 3598577280.

The previous prime is 5721611561. The next prime is 5721611611. The reversal of 5721611607 is 7061161275.

5721611607 is a `hidden beast` number, since 572 + 16 + 11 + 60 + 7 = 666.

It is not a de Polignac number, because 5721611607 - 2¹² = 5721607511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721611657) 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 31 ways as a sum of consecutive naturals, for example, 100494 + ... + 146772.

It is an arithmetic number, because the mean of its divisors is an integer number (279994000).

Almost surely, 2^5721611607 is an apocalyptic number.

5721611607 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

5721611607 is a deficient number, since it is larger than the sum of its proper divisors (3238196393).

5721611607 is a wasteful number, since it uses less digits than its factorization.

5721611607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46548 (or 46542 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 5721611607 is about 75641.3353068281. The cubic root of 5721611607 is about 1788.5707520941.

The spelling of 5721611607 in words is "five billion, seven hundred twenty-one million, six hundred eleven thousand, six hundred seven".