1617416545253 has 4 divisors (see below), whose sum is σ = 1632532587840. Its totient is φ = 1602300502668.

The previous prime is 1617416545237. The next prime is 1617416545259. The reversal of 1617416545253 is 3525456147161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1617416545253 - 2⁴ = 1617416545237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1617416545259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7558021133 + ... + 7558021346.

It is an arithmetic number, because the mean of its divisors is an integer number (408133146960).

Almost surely, 2^{1617416545253} is an apocalyptic number.

It is an amenable number.

1617416545253 is a deficient number, since it is larger than the sum of its proper divisors (15116042587).

1617416545253 is a wasteful number, since it uses less digits than its factorization.

1617416545253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15116042586.

The product of its digits is 3024000, while the sum is 50.

The spelling of 1617416545253 in words is "one trillion, six hundred seventeen billion, four hundred sixteen million, five hundred forty-five thousand, two hundred fifty-three".