64188014 has 8 divisors (see below), whose sum is σ = 105034968. Its totient is φ = 29176360.

The previous prime is 64187999. The next prime is 64188139. The reversal of 64188014 is 41088146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64188014² = 8240202282528392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1458797 + ... + 1458840.

It is an arithmetic number, because the mean of its divisors is an integer number (13129371).

Almost surely, 2^64188014 is an apocalyptic number.

64188014 is a deficient number, since it is larger than the sum of its proper divisors (40846954).

64188014 is a wasteful number, since it uses less digits than its factorization.

64188014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917650.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 64188014 is about 8011.7422574619. The cubic root of 64188014 is about 400.3913128940.

The spelling of 64188014 in words is "sixty-four million, one hundred eighty-eight thousand, fourteen".