356809891966 has 16 divisors (see below), whose sum is σ = 584483432688. Its totient is φ = 162016120000.

The previous prime is 356809891961. The next prime is 356809891973. The reversal of 356809891966 is 669198908653.

It is a super-3 number, since 3×356809891966³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 356809891895 and 356809891904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356809891961) 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 7 ways as a sum of consecutive naturals, for example, 8488285 + ... + 8530216.

It is an arithmetic number, because the mean of its divisors is an integer number (36530214543).

Almost surely, 2^356809891966 is an apocalyptic number.

356809891966 is a deficient number, since it is larger than the sum of its proper divisors (227673540722).

356809891966 is a wasteful number, since it uses less digits than its factorization.

356809891966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17019467.

The product of its (nonzero) digits is 151165440, while the sum is 70.

The spelling of 356809891966 in words is "three hundred fifty-six billion, eight hundred nine million, eight hundred ninety-one thousand, nine hundred sixty-six".