1601073228172 has 12 divisors (see below), whose sum is σ = 3056594344776. Its totient is φ = 727760558240.

The previous prime is 1601073228107. The next prime is 1601073228173. The reversal of 1601073228172 is 2718223701061.

It is a super-3 number, since 3×1601073228172³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1601073228173) 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, 18194013913 + ... + 18194014000.

It is an arithmetic number, because the mean of its divisors is an integer number (254716195398).

Almost surely, 2^{1601073228172} is an apocalyptic number.

It is an amenable number.

1601073228172 is a deficient number, since it is larger than the sum of its proper divisors (1455521116604).

1601073228172 is a wasteful number, since it uses less digits than its factorization.

1601073228172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36388027928 (or 36388027926 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 1601073228172 in words is "one trillion, six hundred one billion, seventy-three million, two hundred twenty-eight thousand, one hundred seventy-two".