10016566501 has 4 divisors (see below), whose sum is σ = 10249509952. Its totient is φ = 9783623052.

The previous prime is 10016566489. The next prime is 10016566517. The reversal of 10016566501 is 10566561001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10566561001 = 131 ⋅80660771.

It is a cyclic number.

It is not a de Polignac number, because 10016566501 - 2¹⁹ = 10016042213 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 (10016566801) 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, 116471661 + ... + 116471746.

It is an arithmetic number, because the mean of its divisors is an integer number (2562377488).

Almost surely, 2^10016566501 is an apocalyptic number.

It is an amenable number.

10016566501 is a deficient number, since it is larger than the sum of its proper divisors (232943451).

10016566501 is an equidigital number, since it uses as much as digits as its factorization.

10016566501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232943450.

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

The spelling of 10016566501 in words is "ten billion, sixteen million, five hundred sixty-six thousand, five hundred one".