34166401623 has 12 divisors (see below), whose sum is σ = 49636739880. Its totient is φ = 22645937616.

The previous prime is 34166401603. The next prime is 34166401639. The reversal of 34166401623 is 32610466143.

34166401623 is a `hidden beast` number, since 3 + 4 + 1 + 6 + 640 + 1 + 6 + 2 + 3 = 666.

It is not a de Polignac number, because 34166401623 - 2¹² = 34166397527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34166401603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10970313 + ... + 10973426.

It is an arithmetic number, because the mean of its divisors is an integer number (4136394990).

Almost surely, 2^34166401623 is an apocalyptic number.

34166401623 is a deficient number, since it is larger than the sum of its proper divisors (15470338257).

34166401623 is a wasteful number, since it uses less digits than its factorization.

34166401623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21943918 (or 21943915 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 34166401623 its reverse (32610466143), we get a palindrome (66776867766).

The spelling of 34166401623 in words is "thirty-four billion, one hundred sixty-six million, four hundred one thousand, six hundred twenty-three".