646014161429 has 16 divisors (see below), whose sum is σ = 808128693120. Its totient is φ = 502752864960.

The previous prime is 646014161423. The next prime is 646014161449. The reversal of 646014161429 is 924161410646.

It is a cyclic number.

It is not a de Polignac number, because 646014161429 - 2⁸ = 646014161173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 646014161429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646014161423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58183439 + ... + 58194540.

It is an arithmetic number, because the mean of its divisors is an integer number (50508043320).

Almost surely, 2^646014161429 is an apocalyptic number.

It is an amenable number.

646014161429 is a deficient number, since it is larger than the sum of its proper divisors (162114531691).

646014161429 is a wasteful number, since it uses less digits than its factorization.

646014161429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116378060.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 646014161429 in words is "six hundred forty-six billion, fourteen million, one hundred sixty-one thousand, four hundred twenty-nine".