225012161672 has 32 divisors (see below), whose sum is σ = 440268091200. Its totient is φ = 107607935424.

The previous prime is 225012161651. The next prime is 225012161683. The reversal of 225012161672 is 276161210522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4426979 + ... + 4477517.

It is an arithmetic number, because the mean of its divisors is an integer number (13758377850).

Almost surely, 2^225012161672 is an apocalyptic number.

It is an amenable number.

225012161672 is a deficient number, since it is larger than the sum of its proper divisors (215255929528).

225012161672 is a wasteful number, since it uses less digits than its factorization.

225012161672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74765 (or 74761 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 225012161672 in words is "two hundred twenty-five billion, twelve million, one hundred sixty-one thousand, six hundred seventy-two".