1566960 has 40 divisors (see below), whose sum is σ = 4858320. Its totient is φ = 417792.

The previous prime is 1566953. The next prime is 1566997. The reversal of 1566960 is 696651.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3025 + ... + 3504.

It is an arithmetic number, because the mean of its divisors is an integer number (121458).

2^1566960 is an apocalyptic number.

1566960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1566960 is an abundant number, since it is smaller than the sum of its proper divisors (3291360).

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

1566960 is a wasteful number, since it uses less digits than its factorization.

1566960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545 (or 6539 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1566960 is about 1251.7827287513. The cubic root of 1566960 is about 116.1500238835.

The spelling of 1566960 in words is "one million, five hundred sixty-six thousand, nine hundred sixty".