1616310040255 has 4 divisors (see below), whose sum is σ = 1939572048312. Its totient is φ = 1293048032200.

The previous prime is 1616310040249. The next prime is 1616310040307. The reversal of 1616310040255 is 5520400136161.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1616310040255 - 2¹³ = 1616310032063 is a prime.

It is a super-2 number, since 2×1616310040255² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1616310040255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161631004021 + ... + 161631004030.

It is an arithmetic number, because the mean of its divisors is an integer number (484893012078).

Almost surely, 2^{1616310040255} is an apocalyptic number.

1616310040255 is a deficient number, since it is larger than the sum of its proper divisors (323262008057).

1616310040255 is an equidigital number, since it uses as much as digits as its factorization.

1616310040255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323262008056.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 1616310040255 in words is "one trillion, six hundred sixteen billion, three hundred ten million, forty thousand, two hundred fifty-five".