190636416 has 144 divisors (see below), whose sum is σ = 572155740. Its totient is φ = 63265536.

The previous prime is 190636403. The next prime is 190636421. The reversal of 190636416 is 614636091.

190636416 is a `hidden beast` number, since 1 + 9 + 0 + 6 + 3 + 641 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 839695 + ... + 839921.

Almost surely, 2^190636416 is an apocalyptic number.

190636416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190636416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286077870).

190636416 is an abundant number, since it is smaller than the sum of its proper divisors (381519324).

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

190636416 is an frugal number, since it uses more digits than its factorization.

190636416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 190636416 is about 13807.1146877253. The cubic root of 190636416 is about 575.5308680120.

The spelling of 190636416 in words is "one hundred ninety million, six hundred thirty-six thousand, four hundred sixteen".