88161401 has 4 divisors (see below), whose sum is σ = 88184052. Its totient is φ = 88138752.

The previous prime is 88161391. The next prime is 88161407. The reversal of 88161401 is 10416188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19669225 + 68492176 = 4435^2 + 8276^2 .

It is a cyclic number.

It is not a de Polignac number, because 88161401 - 2¹⁸ = 87899257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88161407) 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 3 ways as a sum of consecutive naturals, for example, 3836 + ... + 13821.

It is an arithmetic number, because the mean of its divisors is an integer number (22046013).

Almost surely, 2^88161401 is an apocalyptic number.

It is an amenable number.

88161401 is a deficient number, since it is larger than the sum of its proper divisors (22651).

88161401 is a wasteful number, since it uses less digits than its factorization.

88161401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22650.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 88161401 is about 9389.4302809063. The cubic root of 88161401 is about 445.0677858275.

Adding to 88161401 its reverse (10416188), we get a palindrome (98577589).

The spelling of 88161401 in words is "eighty-eight million, one hundred sixty-one thousand, four hundred one".