190910464 has 52 divisors (see below), whose sum is σ = 385828864. Its totient is φ = 94445568.

The previous prime is 190910443. The next prime is 190910471. The reversal of 190910464 is 464019091.

It is a super-3 number, since 3×190910464³ (a number of 26 digits) contains 333 as substring.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520009 + ... + 520375.

Almost surely, 2^190910464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190910464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192914432).

190910464 is an abundant number, since it is smaller than the sum of its proper divisors (194918400).

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

190910464 is an equidigital number, since it uses as much as digits as its factorization.

190910464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 190910464 is about 13817.0352825778. The cubic root of 190910464 is about 575.8065193785.

The spelling of 190910464 in words is "one hundred ninety million, nine hundred ten thousand, four hundred sixty-four".