1606210564 has 96 divisors (see below), whose sum is σ = 3421716480. Its totient is φ = 645321600.

The previous prime is 1606210549. The next prime is 1606210577. The reversal of 1606210564 is 4650126061.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4128882 + ... + 4129270.

It is an arithmetic number, because the mean of its divisors is an integer number (35642880).

Almost surely, 2^1606210564 is an apocalyptic number.

1606210564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1606210564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710858240).

1606210564 is an abundant number, since it is smaller than the sum of its proper divisors (1815505916).

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

1606210564 is a wasteful number, since it uses less digits than its factorization.

1606210564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1606210564 is about 40077.5568616651. The cubic root of 1606210564 is about 1171.1184580738.

The spelling of 1606210564 in words is "one billion, six hundred six million, two hundred ten thousand, five hundred sixty-four".