64616495 has 8 divisors (see below), whose sum is σ = 80213760. Its totient is φ = 49910560.

The previous prime is 64616479. The next prime is 64616501. The reversal of 64616495 is 59461646.

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

It is not a de Polignac number, because 64616495 - 2⁴ = 64616479 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 222671 + ... + 222960.

It is an arithmetic number, because the mean of its divisors is an integer number (10026720).

Almost surely, 2^64616495 is an apocalyptic number.

64616495 is a deficient number, since it is larger than the sum of its proper divisors (15597265).

64616495 is a wasteful number, since it uses less digits than its factorization.

64616495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445665.

The product of its digits is 155520, while the sum is 41.

The square root of 64616495 is about 8038.4385921645. The cubic root of 64616495 is about 401.2802625312.

The spelling of 64616495 in words is "sixty-four million, six hundred sixteen thousand, four hundred ninety-five".