64161135603 has 12 divisors (see below), whose sum is σ = 92773048368. Its totient is φ = 42729850800.

The previous prime is 64161135583. The next prime is 64161135607. The reversal of 64161135603 is 30653116146.

64161135603 is a `hidden beast` number, since 6 + 4 + 1 + 6 + 11 + 35 + 603 = 666.

It is not a de Polignac number, because 64161135603 - 2²⁰ = 64160087027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64161135607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3677448 + ... + 3694853.

It is an arithmetic number, because the mean of its divisors is an integer number (7731087364).

Almost surely, 2^64161135603 is an apocalyptic number.

64161135603 is a deficient number, since it is larger than the sum of its proper divisors (28611912765).

64161135603 is a wasteful number, since it uses less digits than its factorization.

64161135603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373274 (or 7373271 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 64161135603 in words is "sixty-four billion, one hundred sixty-one million, one hundred thirty-five thousand, six hundred three".