1606526064 has 120 divisors (see below), whose sum is σ = 5282130672. Its totient is φ = 449372160.

The previous prime is 1606526063. The next prime is 1606526071. The reversal of 1606526064 is 4606256061.

It is a happy number.

It is a super-2 number, since 2×1606526064² = 5161851988622664192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606526063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18417 + ... + 59600.

Almost surely, 2^1606526064 is an apocalyptic number.

It is an amenable number.

1606526064 is an abundant number, since it is smaller than the sum of its proper divisors (3675604608).

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

1606526064 is a wasteful number, since it uses less digits than its factorization.

1606526064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78055 (or 78046 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1606526064 is about 40081.4927865717. The cubic root of 1606526064 is about 1171.1951320567.

The spelling of 1606526064 in words is "one billion, six hundred six million, five hundred twenty-six thousand, sixty-four".