16512010605 has 48 divisors (see below), whose sum is σ = 28894320000. Its totient is φ = 8722633344.

The previous prime is 16512010589. The next prime is 16512010637. The reversal of 16512010605 is 50601021561.

It is a happy number.

16512010605 is a `hidden beast` number, since 1 + 6 + 51 + 2 + 0 + 1 + 0 + 605 = 666.

16512010605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16512010605 - 2⁴ = 16512010589 is a prime.

It is a super-4 number, since 4×16512010605⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2198146 + ... + 2205644.

It is an arithmetic number, because the mean of its divisors is an integer number (601965000).

Almost surely, 2^16512010605 is an apocalyptic number.

16512010605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16512010605 is a deficient number, since it is larger than the sum of its proper divisors (12382309395).

16512010605 is a wasteful number, since it uses less digits than its factorization.

16512010605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7970 (or 7967 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 16512010605 in words is "sixteen billion, five hundred twelve million, ten thousand, six hundred five".