170001641 has 8 divisors (see below), whose sum is σ = 171832584. Its totient is φ = 168180480.

The previous prime is 170001631. The next prime is 170001653. The reversal of 170001641 is 146100071.

It can be written as a sum of positive squares in 4 ways, for example, as 84254041 + 85747600 = 9179^2 + 9260^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 170001641 - 2⁶ = 170001577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170001631) 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, 35591 + ... + 40083.

It is an arithmetic number, because the mean of its divisors is an integer number (21479073).

Almost surely, 2^170001641 is an apocalyptic number.

It is an amenable number.

170001641 is a deficient number, since it is larger than the sum of its proper divisors (1830943).

170001641 is a wasteful number, since it uses less digits than its factorization.

170001641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 170001641 is about 13038.4677397308. The cubic root of 170001641 is about 553.9676081362.

The spelling of 170001641 in words is "one hundred seventy million, one thousand, six hundred forty-one".