1613540453161 has 32 divisors (see below), whose sum is σ = 2000632838400. Its totient is φ = 1267177824000.

The previous prime is 1613540453149. The next prime is 1613540453171.

It is a happy number.

1613540453161 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1613540453161 - 2²⁷ = 1613406235433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1613540453171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69570555 + ... + 69593743.

It is an arithmetic number, because the mean of its divisors is an integer number (62519776200).

Almost surely, 2^{1613540453161} is an apocalyptic number.

It is an amenable number.

1613540453161 is a deficient number, since it is larger than the sum of its proper divisors (387092385239).

1613540453161 is a wasteful number, since it uses less digits than its factorization.

1613540453161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28849.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 1613540453161 in words is "one trillion, six hundred thirteen billion, five hundred forty million, four hundred fifty-three thousand, one hundred sixty-one".