189225164936 has 8 divisors (see below), whose sum is σ = 354797184270. Its totient is φ = 94612582464.

The previous prime is 189225164929. The next prime is 189225164941. The reversal of 189225164936 is 639461522981.

It can be written as a sum of positive squares in only one way, i.e., 99521320900 + 89703844036 = 315470^2 + 299506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11826572801 + ... + 11826572816.

Almost surely, 2^189225164936 is an apocalyptic number.

It is an amenable number.

189225164936 is a deficient number, since it is larger than the sum of its proper divisors (165572019334).

189225164936 is a wasteful number, since it uses less digits than its factorization.

189225164936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23653145623 (or 23653145619 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 56.

The spelling of 189225164936 in words is "one hundred eighty-nine billion, two hundred twenty-five million, one hundred sixty-four thousand, nine hundred thirty-six".