16435025253 has 16 divisors (see below), whose sum is σ = 24391920960. Its totient is φ = 10937002608.

The previous prime is 16435025249. The next prime is 16435025263. The reversal of 16435025253 is 35252053461.

16435025253 is a `hidden beast` number, since 1 + 6 + 4 + 350 + 252 + 53 = 666.

It is not a de Polignac number, because 16435025253 - 2² = 16435025249 is a prime.

It is a super-3 number, since 3×16435025253³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16435025263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531375 + ... + 561452.

It is an arithmetic number, because the mean of its divisors is an integer number (1524495060).

Almost surely, 2^16435025253 is an apocalyptic number.

It is an amenable number.

16435025253 is a deficient number, since it is larger than the sum of its proper divisors (7956895707).

16435025253 is a wasteful number, since it uses less digits than its factorization.

16435025253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093393 (or 1093387 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 16435025253 in words is "sixteen billion, four hundred thirty-five million, twenty-five thousand, two hundred fifty-three".