16507562253 has 16 divisors (see below), whose sum is σ = 27089333376. Its totient is φ = 8707285440.

The previous prime is 16507562243. The next prime is 16507562287. The reversal of 16507562253 is 35226570561.

It is not a de Polignac number, because 16507562253 - 2⁴ = 16507562237 is a prime.

It is a super-2 number, since 2×16507562253² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16507562243) 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, 30233358 + ... + 30233903.

It is an arithmetic number, because the mean of its divisors is an integer number (1693083336).

Almost surely, 2^16507562253 is an apocalyptic number.

16507562253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16507562253 is a deficient number, since it is larger than the sum of its proper divisors (10581771123).

16507562253 is a wasteful number, since it uses less digits than its factorization.

16507562253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60467284.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 16507562253 in words is "sixteen billion, five hundred seven million, five hundred sixty-two thousand, two hundred fifty-three".