190016393 has 16 divisors (see below), whose sum is σ = 220237056. Its totient is φ = 160581120.

The previous prime is 190016389. The next prime is 190016401. The reversal of 190016393 is 393610091.

It is not a de Polignac number, because 190016393 - 2² = 190016389 is a prime.

It is a super-2 number, since 2×190016393² = 72212459217460898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190016303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183788 + ... + 184818.

It is an arithmetic number, because the mean of its divisors is an integer number (13764816).

Almost surely, 2^190016393 is an apocalyptic number.

It is an amenable number.

190016393 is a deficient number, since it is larger than the sum of its proper divisors (30220663).

190016393 is a wasteful number, since it uses less digits than its factorization.

190016393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 190016393 is about 13784.6433758730. The cubic root of 190016393 is about 574.9062410453.

The spelling of 190016393 in words is "one hundred ninety million, sixteen thousand, three hundred ninety-three".