190223436946 has 16 divisors (see below), whose sum is σ = 302140619640. Its totient is φ = 89510676480.

The previous prime is 190223436889. The next prime is 190223436961. The reversal of 190223436946 is 649634322091.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 187779222225 + 2444214721 = 433335^2 + 49439^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 190223436946.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320206 + ... + 694966.

Almost surely, 2^190223436946 is an apocalyptic number.

190223436946 is a deficient number, since it is larger than the sum of its proper divisors (111917182694).

190223436946 is a wasteful number, since it uses less digits than its factorization.

190223436946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389709.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 190223436946 in words is "one hundred ninety billion, two hundred twenty-three million, four hundred thirty-six thousand, nine hundred forty-six".