401165073 has 6 divisors (see below), whose sum is σ = 579460674. Its totient is φ = 267443376.

The previous prime is 401165059. The next prime is 401165077. The reversal of 401165073 is 370561104.

401165073 is a `hidden beast` number, since 4 + 0 + 1 + 1 + 650 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 330403329 + 70761744 = 18177^2 + 8412^2 .

It is not a de Polignac number, because 401165073 - 2¹⁶ = 401099537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401165077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22286940 + ... + 22286957.

It is an arithmetic number, because the mean of its divisors is an integer number (96576779).

Almost surely, 2^401165073 is an apocalyptic number.

It is an amenable number.

401165073 is a deficient number, since it is larger than the sum of its proper divisors (178295601).

401165073 is a wasteful number, since it uses less digits than its factorization.

401165073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44573903 (or 44573900 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 401165073 is about 20029.1056465335. The cubic root of 401165073 is about 737.5209672484.

The spelling of 401165073 in words is "four hundred one million, one hundred sixty-five thousand, seventy-three".