190840046818 has 8 divisors (see below), whose sum is σ = 288514086912. Its totient is φ = 94668684516.

The previous prime is 190840046759. The next prime is 190840046857. The reversal of 190840046818 is 818640048091.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375669130 + ... + 375669637.

It is an arithmetic number, because the mean of its divisors is an integer number (36064260864).

Almost surely, 2^190840046818 is an apocalyptic number.

190840046818 is a deficient number, since it is larger than the sum of its proper divisors (97674040094).

190840046818 is a wasteful number, since it uses less digits than its factorization.

190840046818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751338896.

The product of its (nonzero) digits is 442368, while the sum is 49.

The spelling of 190840046818 in words is "one hundred ninety billion, eight hundred forty million, forty-six thousand, eight hundred eighteen".