189918911014 has 32 divisors (see below), whose sum is σ = 341415789120. Its totient is φ = 77510587392.

The previous prime is 189918910997. The next prime is 189918911029. The reversal of 189918911014 is 410119819981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3174339 + ... + 3233614.

It is an arithmetic number, because the mean of its divisors is an integer number (10669243410).

Almost surely, 2^189918911014 is an apocalyptic number.

189918911014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

189918911014 is a deficient number, since it is larger than the sum of its proper divisors (151496878106).

189918911014 is a wasteful number, since it uses less digits than its factorization.

189918911014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408064.

The product of its (nonzero) digits is 186624, while the sum is 52.

The spelling of 189918911014 in words is "one hundred eighty-nine billion, nine hundred eighteen million, nine hundred eleven thousand, fourteen".