1566090452 has 12 divisors (see below), whose sum is σ = 2779259616. Its totient is φ = 772016280.

The previous prime is 1566090443. The next prime is 1566090497. The reversal of 1566090452 is 2540906651.

It is a congruent number.

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, 2756918 + ... + 2757485.

It is an arithmetic number, because the mean of its divisors is an integer number (231604968).

Almost surely, 2^1566090452 is an apocalyptic number.

It is an amenable number.

1566090452 is a deficient number, since it is larger than the sum of its proper divisors (1213169164).

1566090452 is a wasteful number, since it uses less digits than its factorization.

1566090452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514478 (or 5514476 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1566090452 is about 39573.8607163870. The cubic root of 1566090452 is about 1161.2853499018.

The spelling of 1566090452 in words is "one billion, five hundred sixty-six million, ninety thousand, four hundred fifty-two".