190165663942 has 24 divisors (see below), whose sum is σ = 303057997200. Its totient is φ = 89476978560.

The previous prime is 190165663913. The next prime is 190165663949. The reversal of 190165663942 is 249366561091.

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 190165663942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190165663949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4951092 + ... + 4989352.

It is an arithmetic number, because the mean of its divisors is an integer number (12627416550).

Almost surely, 2^190165663942 is an apocalyptic number.

190165663942 is a deficient number, since it is larger than the sum of its proper divisors (112892333258).

190165663942 is a wasteful number, since it uses less digits than its factorization.

190165663942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46896 (or 46879 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 190165663942 in words is "one hundred ninety billion, one hundred sixty-five million, six hundred sixty-three thousand, nine hundred forty-two".