401566766883 has 8 divisors (see below), whose sum is σ = 540723567696. Its totient is φ = 265060572000.

The previous prime is 401566766773. The next prime is 401566766917. The reversal of 401566766883 is 388667665104.

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

It is not a de Polignac number, because 401566766883 - 2¹⁸ = 401566504739 is a prime.

It is a super-2 number, since 2×401566766883² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401566766383) 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, 662651128 + ... + 662651733.

It is an arithmetic number, because the mean of its divisors is an integer number (67590445962).

Almost surely, 2^401566766883 is an apocalyptic number.

401566766883 is a deficient number, since it is larger than the sum of its proper divisors (139156800813).

401566766883 is a wasteful number, since it uses less digits than its factorization.

401566766883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325302965.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 401566766883 in words is "four hundred one billion, five hundred sixty-six million, seven hundred sixty-six thousand, eight hundred eighty-three".