10016665061 has 4 divisors (see below), whose sum is σ = 10787177772. Its totient is φ = 9246152352.

The previous prime is 10016665033. The next prime is 10016665069. The reversal of 10016665061 is 16056661001.

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 1599520036 + 8417145025 = 39994^2 + 91745^2 .

It is a cyclic number.

It is not a de Polignac number, because 10016665061 - 2¹⁰ = 10016664037 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 (10016665069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385256336 + ... + 385256361.

It is an arithmetic number, because the mean of its divisors is an integer number (2696794443).

Almost surely, 2^10016665061 is an apocalyptic number.

It is an amenable number.

10016665061 is a deficient number, since it is larger than the sum of its proper divisors (770512711).

10016665061 is an equidigital number, since it uses as much as digits as its factorization.

10016665061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770512710.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 10016665061 in words is "ten billion, sixteen million, six hundred sixty-five thousand, sixty-one".