16010510516551 has 4 divisors (see below), whose sum is σ = 16027310633472. Its totient is φ = 15993710399632.

The previous prime is 16010510516509. The next prime is 16010510516603. The reversal of 16010510516551 is 15561501501061.

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

It is a cyclic number.

It is not a de Polignac number, because 16010510516551 - 2¹⁵ = 16010510483783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16010510516551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16010510516501) 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, 8400057031 + ... + 8400058936.

It is an arithmetic number, because the mean of its divisors is an integer number (4006827658368).

Almost surely, 2^{16010510516551} is an apocalyptic number.

16010510516551 is a deficient number, since it is larger than the sum of its proper divisors (16800116921).

16010510516551 is an equidigital number, since it uses as much as digits as its factorization.

16010510516551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16800116920.

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 16010510516551 in words is "sixteen trillion, ten billion, five hundred ten million, five hundred sixteen thousand, five hundred fifty-one".