206423251026146 has 32 divisors (see below), whose sum is σ = 386075890501632. Its totient is φ = 80416809326160.

The previous prime is 206423251026133. The next prime is 206423251026191. The reversal of 206423251026146 is 641620152324602.

It is a happy number.

It is a super-3 number, since 3×206423251026146³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 206423251026097 and 206423251026106.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 63696506 + ... + 66858741.

It is an arithmetic number, because the mean of its divisors is an integer number (12064871578176).

Almost surely, 2^{206423251026146} is an apocalyptic number.

206423251026146 is a deficient number, since it is larger than the sum of its proper divisors (179652639475486).

206423251026146 is a wasteful number, since it uses less digits than its factorization.

206423251026146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130565534.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 206423251026146 in words is "two hundred six trillion, four hundred twenty-three billion, two hundred fifty-one million, twenty-six thousand, one hundred forty-six".