1606235072 has 224 divisors, whose sum is σ = 3942892800. Its totient is φ = 640991232.

The previous prime is 1606235063. The next prime is 1606235077. The reversal of 1606235072 is 2705326061.

It is a super-2 number, since 2×1606235072² = 5159982213045690368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606235077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11555579 + ... + 11555717.

It is an arithmetic number, because the mean of its divisors is an integer number (17602200).

Almost surely, 2^1606235072 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 1606235072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1971446400).

1606235072 is an abundant number, since it is smaller than the sum of its proper divisors (2336657728).

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

1606235072 is a wasteful number, since it uses less digits than its factorization.

1606235072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1606235072 is about 40077.8626176596. The cubic root of 1606235072 is about 1171.1244144588.

The spelling of 1606235072 in words is "one billion, six hundred six million, two hundred thirty-five thousand, seventy-two".