16516010015 has 16 divisors (see below), whose sum is σ = 20912169600. Its totient is φ = 12487492512.

The previous prime is 16516010011. The next prime is 16516010099. The reversal of 16516010015 is 51001061561.

It is not a de Polignac number, because 16516010015 - 2² = 16516010011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16516010011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167657 + ... + 247266.

It is an arithmetic number, because the mean of its divisors is an integer number (1307010600).

Almost surely, 2^16516010015 is an apocalyptic number.

16516010015 is a deficient number, since it is larger than the sum of its proper divisors (4396159585).

16516010015 is a wasteful number, since it uses less digits than its factorization.

16516010015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415366.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 16516010015 its reverse (51001061561), we get a palindrome (67517071576).

The spelling of 16516010015 in words is "sixteen billion, five hundred sixteen million, ten thousand, fifteen".