16015006116551 has 16 divisors (see below), whose sum is σ = 17302589954496. Its totient is φ = 14735376804096.

The previous prime is 16015006116541. The next prime is 16015006116667. The reversal of 16015006116551 is 15561160051061.

It is a happy number.

It is not a de Polignac number, because 16015006116551 - 2¹⁴ = 16015006100167 is a prime.

It is a super-2 number, since 2×16015006116551² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16015006116541) 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, 218440166 + ... + 218513468.

It is an arithmetic number, because the mean of its divisors is an integer number (1081411872156).

Almost surely, 2^{16015006116551} is an apocalyptic number.

16015006116551 is a deficient number, since it is larger than the sum of its proper divisors (1287583837945).

16015006116551 is a wasteful number, since it uses less digits than its factorization.

16015006116551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127322.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 16015006116551 in words is "sixteen trillion, fifteen billion, six million, one hundred sixteen thousand, five hundred fifty-one".