1605422703044 has 12 divisors (see below), whose sum is σ = 2869266107904. Its totient is φ = 785632386504.

The previous prime is 1605422703029. The next prime is 1605422703077. The reversal of 1605422703044 is 4403072245061.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1605422702989 and 1605422703007.

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, 4269741044 + ... + 4269741419.

It is an arithmetic number, because the mean of its divisors is an integer number (239105508992).

Almost surely, 2^{1605422703044} is an apocalyptic number.

It is an amenable number.

1605422703044 is a deficient number, since it is larger than the sum of its proper divisors (1263843404860).

1605422703044 is a wasteful number, since it uses less digits than its factorization.

1605422703044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539482514 (or 8539482512 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 1605422703044 in words is "one trillion, six hundred five billion, four hundred twenty-two million, seven hundred three thousand, forty-four".