161353651101 has 8 divisors (see below), whose sum is σ = 215171587200. Its totient is φ = 107552407872.

The previous prime is 161353651099. The next prime is 161353651133. The reversal of 161353651101 is 101156353161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161353651101 - 2¹ = 161353651099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161353651601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4150645 + ... + 4189338.

It is an arithmetic number, because the mean of its divisors is an integer number (26896448400).

Almost surely, 2^161353651101 is an apocalyptic number.

It is an amenable number.

161353651101 is a deficient number, since it is larger than the sum of its proper divisors (53817936099).

161353651101 is an equidigital number, since it uses as much as digits as its factorization.

161353651101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8346435.

The product of its (nonzero) digits is 8100, while the sum is 33.

The spelling of 161353651101 in words is "one hundred sixty-one billion, three hundred fifty-three million, six hundred fifty-one thousand, one hundred one".