1606653056 has 32 divisors (see below), whose sum is σ = 3232470780. Its totient is φ = 795366400.

The previous prime is 1606653047. The next prime is 1606653071. The reversal of 1606653056 is 6503566061.

It can be written as a sum of positive squares in 2 ways, for example, as 1546062400 + 60590656 = 39320^2 + 7784^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×1606653056³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49211 + ... + 75066.

Almost surely, 2^1606653056 is an apocalyptic number.

1606653056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1606653056 is an abundant number, since it is smaller than the sum of its proper divisors (1625817724).

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

1606653056 is a wasteful number, since it uses less digits than its factorization.

1606653056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124392 (or 124380 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 1606653056 is about 40083.0769278008. The cubic root of 1606653056 is about 1171.2259912912.

The spelling of 1606653056 in words is "one billion, six hundred six million, six hundred fifty-three thousand, fifty-six".