1516564485 has 32 divisors (see below), whose sum is σ = 2783093760. Its totient is φ = 782740800.

The previous prime is 1516564459. The next prime is 1516564487. The reversal of 1516564485 is 5844656151.

1516564485 is a `hidden beast` number, since 1 + 5 + 1 + 6 + 564 + 4 + 85 = 666.

It is not a de Polignac number, because 1516564485 - 2¹⁴ = 1516548101 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1516564485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516564487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177006 + ... + 185375.

It is an arithmetic number, because the mean of its divisors is an integer number (86971680).

Almost surely, 2^1516564485 is an apocalyptic number.

1516564485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1516564485 is a deficient number, since it is larger than the sum of its proper divisors (1266529275).

1516564485 is a wasteful number, since it uses less digits than its factorization.

1516564485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362426 (or 362420 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 1516564485 is about 38943.0929049042. The cubic root of 1516564485 is about 1148.9125157505.

The spelling of 1516564485 in words is "one billion, five hundred sixteen million, five hundred sixty-four thousand, four hundred eighty-five".