161418001 has 8 divisors (see below), whose sum is σ = 165376640. Its totient is φ = 157468752.

The previous prime is 161417999. The next prime is 161418007. The reversal of 161418001 is 100814161.

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

It is not a de Polignac number, because 161418001 - 2¹ = 161417999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161418007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42871 + ... + 46483.

It is an arithmetic number, because the mean of its divisors is an integer number (20672080).

Almost surely, 2^161418001 is an apocalyptic number.

It is an amenable number.

161418001 is a deficient number, since it is larger than the sum of its proper divisors (3958639).

161418001 is a wasteful number, since it uses less digits than its factorization.

161418001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 161418001 is about 12705.0384100167. The cubic root of 161418001 is about 544.4825782428.

It can be divided in two parts, 16141 and 8001, that added together give a palindrome (24142).

The spelling of 161418001 in words is "one hundred sixty-one million, four hundred eighteen thousand, one".