16601516051 has 8 divisors (see below), whose sum is σ = 17052313344. Its totient is φ = 16150829760.

The previous prime is 16601516033. The next prime is 16601516077. The reversal of 16601516051 is 15061510661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16601516051 - 2¹⁴ = 16601499667 is a prime.

It is a super-2 number, since 2×16601516051² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16601515999 and 16601516017.

It is not an unprimeable number, because it can be changed into a prime (16601516011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341006 + ... + 386636.

It is an arithmetic number, because the mean of its divisors is an integer number (2131539168).

Almost surely, 2^16601516051 is an apocalyptic number.

16601516051 is a deficient number, since it is larger than the sum of its proper divisors (450797293).

16601516051 is an equidigital number, since it uses as much as digits as its factorization.

16601516051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55501.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 16601516051 in words is "sixteen billion, six hundred one million, five hundred sixteen thousand, fifty-one".