161070350401 has 16 divisors (see below), whose sum is σ = 164221747200. Its totient is φ = 157933618128.

The previous prime is 161070350323. The next prime is 161070350407. The reversal of 161070350401 is 104053070161.

It is a cyclic number.

It is not a de Polignac number, because 161070350401 - 2⁹ = 161070349889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161070350401.

It is not an unprimeable number, because it can be changed into a prime (161070350407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44952256 + ... + 44955838.

It is an arithmetic number, because the mean of its divisors is an integer number (10263859200).

Almost surely, 2^161070350401 is an apocalyptic number.

It is an amenable number.

161070350401 is a deficient number, since it is larger than the sum of its proper divisors (3151396799).

161070350401 is an equidigital number, since it uses as much as digits as its factorization.

161070350401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 161070350401 in words is "one hundred sixty-one billion, seventy million, three hundred fifty thousand, four hundred one".