190700018208 has 72 divisors (see below), whose sum is σ = 619775065728. Its totient is φ = 54485718912.

The previous prime is 190700018191. The next prime is 190700018219. The reversal of 190700018208 is 802810007091.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47294616 + ... + 47298647.

It is an arithmetic number, because the mean of its divisors is an integer number (8607987024).

Almost surely, 2^190700018208 is an apocalyptic number.

190700018208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

190700018208 is an abundant number, since it is smaller than the sum of its proper divisors (429075047520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190700018208 is a wasteful number, since it uses less digits than its factorization.

190700018208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94593286 (or 94593275 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 190700018208 in words is "one hundred ninety billion, seven hundred million, eighteen thousand, two hundred eight".