64199655603 has 12 divisors (see below), whose sum is σ = 92749962448. Its totient is φ = 42791865840.

The previous prime is 64199655577. The next prime is 64199655659. The reversal of 64199655603 is 30655699146.

64199655603 is a `hidden beast` number, since 6 + 4 + 19 + 9 + 65 + 560 + 3 = 666.

It is not a de Polignac number, because 64199655603 - 2⁶ = 64199655539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64199655603.

It is not an unprimeable number, because it can be changed into a prime (64199655683) 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 11 ways as a sum of consecutive naturals, for example, 607063 + ... + 704928.

Almost surely, 2^64199655603 is an apocalyptic number.

64199655603 is a deficient number, since it is larger than the sum of its proper divisors (28550306845).

64199655603 is a wasteful number, since it uses less digits than its factorization.

64199655603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317434 (or 1317431 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 64199655603 in words is "sixty-four billion, one hundred ninety-nine million, six hundred fifty-five thousand, six hundred three".