1616063561253 has 24 divisors (see below), whose sum is σ = 2352485431296. Its totient is φ = 1068991372800.

The previous prime is 1616063561249. The next prime is 1616063561263. The reversal of 1616063561253 is 3521653606161.

It is a happy number.

1616063561253 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 0 + 63 + 561 + 25 + 3 = 666.

It is not a de Polignac number, because 1616063561253 - 2² = 1616063561249 is a prime.

It is a super-2 number, since 2×1616063561253² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616063561199 and 1616063561208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616063561263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8048901 + ... + 8247237.

It is an arithmetic number, because the mean of its divisors is an integer number (98020226304).

Almost surely, 2^{1616063561253} is an apocalyptic number.

It is an amenable number.

1616063561253 is a deficient number, since it is larger than the sum of its proper divisors (736421870043).

1616063561253 is a wasteful number, since it uses less digits than its factorization.

1616063561253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205385 (or 205382 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 1616063561253 in words is "one trillion, six hundred sixteen billion, sixty-three million, five hundred sixty-one thousand, two hundred fifty-three".