1616425757471 has 32 divisors (see below), whose sum is σ = 1897422520320. Its totient is φ = 1348292181600.

The previous prime is 1616425757447. The next prime is 1616425757539. The reversal of 1616425757471 is 1747575246161.

It is a de Polignac number, because none of the positive numbers 2^k-1616425757471 is a prime.

It is a super-3 number, since 3×1616425757471³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616425727471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171608600 + ... + 171618018.

It is an arithmetic number, because the mean of its divisors is an integer number (59294453760).

Almost surely, 2^{1616425757471} is an apocalyptic number.

1616425757471 is a deficient number, since it is larger than the sum of its proper divisors (280996762849).

1616425757471 is a wasteful number, since it uses less digits than its factorization.

1616425757471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12395.

The product of its digits is 9878400, while the sum is 56.

The spelling of 1616425757471 in words is "one trillion, six hundred sixteen billion, four hundred twenty-five million, seven hundred fifty-seven thousand, four hundred seventy-one".