190913368320 has 432 divisors, whose sum is σ = 676899804672. Its totient is φ = 49657036800.

The previous prime is 190913368301. The next prime is 190913368337. The reversal of 190913368320 is 23863319091.

190913368320 is a `hidden beast` number, since 190 + 9 + 133 + 6 + 8 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272343970 + ... + 272344670.

It is an arithmetic number, because the mean of its divisors is an integer number (1566897696).

Almost surely, 2^190913368320 is an apocalyptic number.

190913368320 is a gapful number since it is divisible by the number (10) 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 190913368320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338449902336).

190913368320 is an abundant number, since it is smaller than the sum of its proper divisors (485986436352).

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

190913368320 is a wasteful number, since it uses less digits than its factorization.

190913368320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 190913368320 in words is "one hundred ninety billion, nine hundred thirteen million, three hundred sixty-eight thousand, three hundred twenty".