161101600051 has 8 divisors (see below), whose sum is σ = 184180898304. Its totient is φ = 138038497800.

The previous prime is 161101599979. The next prime is 161101600069. The reversal of 161101600051 is 150006101161.

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

It is not a de Polignac number, because 161101600051 - 2²³ = 161093211443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161101599995 and 161101600031.

It is not an unprimeable number, because it can be changed into a prime (161101600151) 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, 4027675 + ... + 4067476.

It is an arithmetic number, because the mean of its divisors is an integer number (23022612288).

Almost surely, 2^161101600051 is an apocalyptic number.

161101600051 is a deficient number, since it is larger than the sum of its proper divisors (23079298253).

161101600051 is an equidigital number, since it uses as much as digits as its factorization.

161101600051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8098001.

The product of its (nonzero) digits is 180, while the sum is 22.

It can be divided in two parts, 16110 and 1600051, that added together give a palindrome (1616161).

The spelling of 161101600051 in words is "one hundred sixty-one billion, one hundred one million, six hundred thousand, fifty-one".