189865001653201 has 8 divisors (see below), whose sum is σ = 216988687698560. Its totient is φ = 162741344203008.

The previous prime is 189865001653157. The next prime is 189865001653211. The reversal of 189865001653201 is 102356100568981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189865001653201 - 2⁷ = 189865001653073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189865001653211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9738865 + ... + 21784753.

It is an arithmetic number, because the mean of its divisors is an integer number (27123585962320).

Almost surely, 2^{189865001653201} is an apocalyptic number.

It is an amenable number.

189865001653201 is a deficient number, since it is larger than the sum of its proper divisors (27123686045359).

189865001653201 is a wasteful number, since it uses less digits than its factorization.

189865001653201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14297583.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 189865001653201 in words is "one hundred eighty-nine trillion, eight hundred sixty-five billion, one million, six hundred fifty-three thousand, two hundred one".