664098414 has 32 divisors (see below), whose sum is σ = 1531875840. Its totient is φ = 188000352.

The previous prime is 664098373. The next prime is 664098419. The reversal of 664098414 is 414890466.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664098419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67954 + ... + 77109.

It is an arithmetic number, because the mean of its divisors is an integer number (47871120).

Almost surely, 2^664098414 is an apocalyptic number.

664098414 is an abundant number, since it is smaller than the sum of its proper divisors (867777426).

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

664098414 is a wasteful number, since it uses less digits than its factorization.

664098414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145184.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 664098414 is about 25770.1069846440. The cubic root of 664098414 is about 872.4572334492.

The spelling of 664098414 in words is "six hundred sixty-four million, ninety-eight thousand, four hundred fourteen".