190660902 has 8 divisors (see below), whose sum is σ = 381321816. Its totient is φ = 63553632.

The previous prime is 190660901. The next prime is 190660903. The reversal of 190660902 is 209066091.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (190660901) and next prime (190660903).

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

190660902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190660901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15888403 + ... + 15888414.

It is an arithmetic number, because the mean of its divisors is an integer number (47665227).

Almost surely, 2^190660902 is an apocalyptic number.

190660902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

190660902 is a wasteful number, since it uses less digits than its factorization.

190660902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31776822.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 190660902 is about 13808.0013760138. The cubic root of 190660902 is about 575.5555080149. Note that the first 4 decimals are identical.

The spelling of 190660902 in words is "one hundred ninety million, six hundred sixty thousand, nine hundred two".