16530045 has 16 divisors (see below), whose sum is σ = 30226560. Its totient is φ = 7556544.

The previous prime is 16530043. The next prime is 16530049. The reversal of 16530045 is 54003561.

It is not a de Polignac number, because 16530045 - 2¹ = 16530043 is a prime.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 16529997 and 16530024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16530043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78610 + ... + 78819.

It is an arithmetic number, because the mean of its divisors is an integer number (1889160).

Almost surely, 2^16530045 is an apocalyptic number.

16530045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16530045 is a deficient number, since it is larger than the sum of its proper divisors (13696515).

16530045 is a wasteful number, since it uses less digits than its factorization.

16530045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157444.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 16530045 is about 4065.7158041358. The cubic root of 16530045 is about 254.7365984482.

The spelling of 16530045 in words is "sixteen million, five hundred thirty thousand, forty-five".