1613015660601 has 64 divisors (see below), whose sum is σ = 2625530941440. Its totient is φ = 974627216640.

The previous prime is 1613015660587. The next prime is 1613015660629. The reversal of 1613015660601 is 1060665103161.

1613015660601 is a `hidden beast` number, since 1 + 6 + 1 + 30 + 1 + 566 + 0 + 60 + 1 = 666.

It is not a de Polignac number, because 1613015660601 - 2¹⁴ = 1613015644217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1613015660671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 825796 + ... + 1976858.

It is an arithmetic number, because the mean of its divisors is an integer number (41023920960).

Almost surely, 2^{1613015660601} is an apocalyptic number.

It is an amenable number.

1613015660601 is a deficient number, since it is larger than the sum of its proper divisors (1012515280839).

1613015660601 is a wasteful number, since it uses less digits than its factorization.

1613015660601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151203 (or 1151197 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 1613015660601 in words is "one trillion, six hundred thirteen billion, fifteen million, six hundred sixty thousand, six hundred one".