13146651603 has 6 divisors (see below), whose sum is σ = 18989607884. Its totient is φ = 8764434396.

The previous prime is 13146651593. The next prime is 13146651641. The reversal of 13146651603 is 30615664131.

13146651603 is a `hidden beast` number, since 1 + 3 + 1 + 46 + 6 + 5 + 1 + 603 = 666.

It is not a de Polignac number, because 13146651603 - 2⁴ = 13146651587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13146651653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 730369525 + ... + 730369542.

Almost surely, 2^13146651603 is an apocalyptic number.

13146651603 is a deficient number, since it is larger than the sum of its proper divisors (5842956281).

13146651603 is a wasteful number, since it uses less digits than its factorization.

13146651603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460739073 (or 1460739070 counting only the distinct ones).

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

The spelling of 13146651603 in words is "thirteen billion, one hundred forty-six million, six hundred fifty-one thousand, six hundred three".