190149519854 has 64 divisors (see below), whose sum is σ = 350339136000. Its totient is φ = 77157360000.

The previous prime is 190149519853. The next prime is 190149519863. The reversal of 190149519854 is 458915941091.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 190149519854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190149519853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29336294 + ... + 29342774.

It is an arithmetic number, because the mean of its divisors is an integer number (5474049000).

Almost surely, 2^190149519854 is an apocalyptic number.

190149519854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

190149519854 is a deficient number, since it is larger than the sum of its proper divisors (160189616146).

190149519854 is a wasteful number, since it uses less digits than its factorization.

190149519854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8774 (or 8760 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 56.

The spelling of 190149519854 in words is "one hundred ninety billion, one hundred forty-nine million, five hundred nineteen thousand, eight hundred fifty-four".