1566028485 has 240 divisors, whose sum is σ = 3527732736. Its totient is φ = 661022208.

The previous prime is 1566028459. The next prime is 1566028493. The reversal of 1566028485 is 5848206651.

1566028485 is a `hidden beast` number, since 1 + 566 + 0 + 2 + 8 + 4 + 85 = 666.

It is not a de Polignac number, because 1566028485 - 2⁶ = 1566028421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1566028485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 21452409 + ... + 21452481.

Almost surely, 2^1566028485 is an apocalyptic number.

1566028485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1566028485 is an abundant number, since it is smaller than the sum of its proper divisors (1961704251).

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

1566028485 is a wasteful number, since it uses less digits than its factorization.

1566028485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 1566028485 is about 39573.0777802283. The cubic root of 1566028485 is about 1161.2700331368.

The spelling of 1566028485 in words is "one billion, five hundred sixty-six million, twenty-eight thousand, four hundred eighty-five".