401066601 has 32 divisors (see below), whose sum is σ = 620161920. Its totient is φ = 228332544.

The previous prime is 401066597. The next prime is 401066629. The reversal of 401066601 is 106660104.

It is not a de Polignac number, because 401066601 - 2² = 401066597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401066641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33991 + ... + 44243.

It is an arithmetic number, because the mean of its divisors is an integer number (19380060).

Almost surely, 2^401066601 is an apocalyptic number.

It is an amenable number.

401066601 is a deficient number, since it is larger than the sum of its proper divisors (219095319).

401066601 is a wasteful number, since it uses less digits than its factorization.

401066601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 401066601 is about 20026.6472730709. The cubic root of 401066601 is about 737.4606171060.

The spelling of 401066601 in words is "four hundred one million, sixty-six thousand, six hundred one".