64417016 has 16 divisors (see below), whose sum is σ = 122585640. Its totient is φ = 31727520.

The previous prime is 64417009. The next prime is 64417057. The reversal of 64417016 is 61071446.

64417016 = 1999² + 2000² + ... + 2014².

It is a self number, because there is not a number n which added to its sum of digits gives 64417016.

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, 59555 + ... + 60626.

Almost surely, 2^64417016 is an apocalyptic number.

It is an amenable number.

64417016 is a deficient number, since it is larger than the sum of its proper divisors (58168624).

64417016 is a wasteful number, since it uses less digits than its factorization.

64417016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120254 (or 120250 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 64417016 is about 8026.0211811333. The cubic root of 64417016 is about 400.8669031733.

The spelling of 64417016 in words is "sixty-four million, four hundred seventeen thousand, sixteen".