401551163 has 8 divisors (see below), whose sum is σ = 432623856. Its totient is φ = 370504800.

The previous prime is 401551147. The next prime is 401551201. The reversal of 401551163 is 361155104.

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 401551163 - 2⁴ = 401551147 is a prime.

It is a super-2 number, since 2×401551163² = 322486673013305138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401554163) 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, 34748 + ... + 44838.

It is an arithmetic number, because the mean of its divisors is an integer number (54077982).

Almost surely, 2^401551163 is an apocalyptic number.

401551163 is a deficient number, since it is larger than the sum of its proper divisors (31072693).

401551163 is a wasteful number, since it uses less digits than its factorization.

401551163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13165.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 401551163 is about 20038.7415523031. The cubic root of 401551163 is about 737.7574934637.

The spelling of 401551163 in words is "four hundred one million, five hundred fifty-one thousand, one hundred sixty-three".