190310064 has 80 divisors (see below), whose sum is σ = 581272320. Its totient is φ = 52496640.

The previous prime is 190310063. The next prime is 190310111. The reversal of 190310064 is 460013091.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (190310063) 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, 22 + ... + 19509.

It is an arithmetic number, because the mean of its divisors is an integer number (7265904).

Almost surely, 2^190310064 is an apocalyptic number.

190310064 is a gapful number since it is divisible by the number (14) 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 190310064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290636160).

190310064 is an abundant number, since it is smaller than the sum of its proper divisors (390962256).

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

190310064 is a wasteful number, since it uses less digits than its factorization.

190310064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19578 (or 19572 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 190310064 is about 13795.2913706090. The cubic root of 190310064 is about 575.2022617994.

The spelling of 190310064 in words is "one hundred ninety million, three hundred ten thousand, sixty-four".