189876916007 has 8 divisors (see below), whose sum is σ = 193864868736. Its totient is φ = 185922903672.

The previous prime is 189876916003. The next prime is 189876916051. The reversal of 189876916007 is 700619678981.

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 189876916007 - 2² = 189876916003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189876916003) 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, 8473793 + ... + 8496170.

It is an arithmetic number, because the mean of its divisors is an integer number (24233108592).

Almost surely, 2^189876916007 is an apocalyptic number.

189876916007 is a deficient number, since it is larger than the sum of its proper divisors (3987952729).

189876916007 is a wasteful number, since it uses less digits than its factorization.

189876916007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16970197.

The product of its (nonzero) digits is 9144576, while the sum is 62.

The spelling of 189876916007 in words is "one hundred eighty-nine billion, eight hundred seventy-six million, nine hundred sixteen thousand, seven".