16506145353 has 8 divisors (see below), whose sum is σ = 22021777216. Its totient is φ = 10997305200.

The previous prime is 16506145321. The next prime is 16506145361. The reversal of 16506145353 is 35354160561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16506145353 - 2⁵ = 16506145321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16506145363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692253 + ... + 1701978.

It is an arithmetic number, because the mean of its divisors is an integer number (2752722152).

Almost surely, 2^16506145353 is an apocalyptic number.

It is an amenable number.

16506145353 is a deficient number, since it is larger than the sum of its proper divisors (5515631863).

16506145353 is a wasteful number, since it uses less digits than its factorization.

16506145353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395855.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 16506145353 in words is "sixteen billion, five hundred six million, one hundred forty-five thousand, three hundred fifty-three".