2016145555 has 8 divisors (see below), whose sum is σ = 2419830000. Its totient is φ = 1612612896.

The previous prime is 2016145553. The next prime is 2016145559. The reversal of 2016145555 is 5555416102.

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 2016145555 - 2¹ = 2016145553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2016145555.

It is not an unprimeable number, because it can be changed into a prime (2016145553) 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, 6325 + ... + 63814.

It is an arithmetic number, because the mean of its divisors is an integer number (302478750).

Almost surely, 2^2016145555 is an apocalyptic number.

2016145555 is a deficient number, since it is larger than the sum of its proper divisors (403684445).

2016145555 is an equidigital number, since it uses as much as digits as its factorization.

2016145555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75893.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 2016145555 is about 44901.5094957842. The cubic root of 2016145555 is about 1263.3023215020.

The spelling of 2016145555 in words is "two billion, sixteen million, one hundred forty-five thousand, five hundred fifty-five".