16506146253 has 16 divisors (see below), whose sum is σ = 23322398400. Its totient is φ = 10365505920.

The previous prime is 16506146231. The next prime is 16506146287. The reversal of 16506146253 is 35264160561.

It is not a de Polignac number, because 16506146253 - 2³² = 12211178957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506146053) 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, 2310163 + ... + 2317296.

It is an arithmetic number, because the mean of its divisors is an integer number (1457649900).

Almost surely, 2^16506146253 is an apocalyptic number.

It is an amenable number.

16506146253 is a deficient number, since it is larger than the sum of its proper divisors (6816252147).

16506146253 is a wasteful number, since it uses less digits than its factorization.

16506146253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627532.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 16506146253 in words is "sixteen billion, five hundred six million, one hundred forty-six thousand, two hundred fifty-three".