1616422925731 has 2 divisors, whose sum is σ = 1616422925732. Its totient is φ = 1616422925730.

The previous prime is 1616422925717. The next prime is 1616422925779. The reversal of 1616422925731 is 1375292246161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1616422925731 - 2⁷ = 1616422925603 is a prime.

It is a super-2 number, since 2×1616422925731² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1616422926731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808211462865 + 808211462866.

It is an arithmetic number, because the mean of its divisors is an integer number (808211462866).

Almost surely, 2^{1616422925731} is an apocalyptic number.

1616422925731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616422925731 is an equidigital number, since it uses as much as digits as its factorization.

1616422925731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The spelling of 1616422925731 in words is "one trillion, six hundred sixteen billion, four hundred twenty-two million, nine hundred twenty-five thousand, seven hundred thirty-one".