1613462643161 has 4 divisors (see below), whose sum is σ = 1628541733392. Its totient is φ = 1598383552932.

The previous prime is 1613462643137. The next prime is 1613462643187.

1613462643161 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1613462643161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1613462645161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7539544955 + ... + 7539545168.

It is an arithmetic number, because the mean of its divisors is an integer number (407135433348).

Almost surely, 2^{1613462643161} is an apocalyptic number.

It is an amenable number.

1613462643161 is a deficient number, since it is larger than the sum of its proper divisors (15079090231).

1613462643161 is a wasteful number, since it uses less digits than its factorization.

1613462643161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15079090230.

The product of its digits is 373248, while the sum is 44.

The spelling of 1613462643161 in words is "one trillion, six hundred thirteen billion, four hundred sixty-two million, six hundred forty-three thousand, one hundred sixty-one".