181696001 has 2 divisors, whose sum is σ = 181696002. Its totient is φ = 181696000.

The previous prime is 181695989. The next prime is 181696037. The reversal of 181696001 is 100696181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108576400 + 73119601 = 10420^2 + 8551^2 .

It is a cyclic number.

It is not a de Polignac number, because 181696001 - 2²² = 177501697 is a prime.

It is not a weakly prime, because it can be changed into another prime (181696061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90848000 + 90848001.

It is an arithmetic number, because the mean of its divisors is an integer number (90848001).

Almost surely, 2^181696001 is an apocalyptic number.

It is an amenable number.

181696001 is a deficient number, since it is larger than the sum of its proper divisors (1).

181696001 is an equidigital number, since it uses as much as digits as its factorization.

181696001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 181696001 is about 13479.4659018820. The cubic root of 181696001 is about 566.3894078866.

The spelling of 181696001 in words is "one hundred eighty-one million, six hundred ninety-six thousand, one".