161606104560546 has 16 divisors (see below), whose sum is σ = 342224692010784. Its totient is φ = 50699954371904.

The previous prime is 161606104560479. The next prime is 161606104560553. The reversal of 161606104560546 is 645065401606161.

It is a super-2 number, since 2×161606104560546² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792186786960 + ... + 792186787163.

It is an arithmetic number, because the mean of its divisors is an integer number (21389043250674).

Almost surely, 2^{161606104560546} is an apocalyptic number.

161606104560546 is an abundant number, since it is smaller than the sum of its proper divisors (180618587450238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161606104560546 is a wasteful number, since it uses less digits than its factorization.

161606104560546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584373574145.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 161606104560546 in words is "one hundred sixty-one trillion, six hundred six billion, one hundred four million, five hundred sixty thousand, five hundred forty-six".