1606511016 has 256 divisors, whose sum is σ = 5325004800. Its totient is φ = 443059200.

The previous prime is 1606510991. The next prime is 1606511017. The reversal of 1606511016 is 6101156061.

1606511016 is a `hidden beast` number, since 1 + 6 + 0 + 651 + 1 + 0 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1606511017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1251511 + ... + 1252793.

It is an arithmetic number, because the mean of its divisors is an integer number (20800800).

Almost surely, 2^1606511016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1606511016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2662502400).

1606511016 is an abundant number, since it is smaller than the sum of its proper divisors (3718493784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1606511016 is a wasteful number, since it uses less digits than its factorization.

1606511016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1606511016 is about 40081.3050685728. The cubic root of 1606511016 is about 1171.1914752638.

Adding to 1606511016 its reverse (6101156061), we get a palindrome (7707667077).

The spelling of 1606511016 in words is "one billion, six hundred six million, five hundred eleven thousand, sixteen".