10061601565 has 4 divisors (see below), whose sum is σ = 12073921884. Its totient is φ = 8049281248.

The previous prime is 10061601559. The next prime is 10061601577. The reversal of 10061601565 is 56510616001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2262238969 + 7799362596 = 47563^2 + 88314^2 .

It is a cyclic number.

It is not a de Polignac number, because 10061601565 - 2⁷ = 10061601437 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 3 ways as a sum of consecutive naturals, for example, 1006160152 + ... + 1006160161.

It is an arithmetic number, because the mean of its divisors is an integer number (3018480471).

Almost surely, 2^10061601565 is an apocalyptic number.

It is an amenable number.

10061601565 is a deficient number, since it is larger than the sum of its proper divisors (2012320319).

10061601565 is an equidigital number, since it uses as much as digits as its factorization.

10061601565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012320318.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 10061601565 in words is "ten billion, sixty-one million, six hundred one thousand, five hundred sixty-five".