1606983264 has 72 divisors (see below), whose sum is σ = 4727464560. Its totient is φ = 517187328.

The previous prime is 1606983263. The next prime is 1606983277. The reversal of 1606983264 is 4623896061.

1606983264 is a `hidden beast` number, since 1 + 606 + 9 + 8 + 32 + 6 + 4 = 666.

1606983264 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606983263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87852 + ... + 104555.

It is an arithmetic number, because the mean of its divisors is an integer number (65659230).

Almost surely, 2^1606983264 is an apocalyptic number.

It is an amenable number.

1606983264 is an abundant number, since it is smaller than the sum of its proper divisors (3120481296).

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

1606983264 is a wasteful number, since it uses less digits than its factorization.

1606983264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192452 (or 192441 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1606983264 is about 40087.1957612403. The cubic root of 1606983264 is about 1171.3062246886.

The spelling of 1606983264 in words is "one billion, six hundred six million, nine hundred eighty-three thousand, two hundred sixty-four".