401166603 has 6 divisors (see below), whose sum is σ = 579462884. Its totient is φ = 267444396.

The previous prime is 401166581. The next prime is 401166637. The reversal of 401166603 is 306661104.

It is not a de Polignac number, because 401166603 - 2⁶ = 401166539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401166653) 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, 22287025 + ... + 22287042.

Almost surely, 2^401166603 is an apocalyptic number.

401166603 is a deficient number, since it is larger than the sum of its proper divisors (178296281).

401166603 is a wasteful number, since it uses less digits than its factorization.

401166603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44574073 (or 44574070 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 401166603 is about 20029.1438409134. The cubic root of 401166603 is about 737.5219048555.

The spelling of 401166603 in words is "four hundred one million, one hundred sixty-six thousand, six hundred three".