206154241661433 has 16 divisors (see below), whose sum is σ = 296703159895296. Its totient is φ = 126569800331520.

The previous prime is 206154241661413. The next prime is 206154241661449. The reversal of 206154241661433 is 334166142451602.

It is not a de Polignac number, because 206154241661433 - 2⁹ = 206154241660921 is a prime.

It is a super-2 number, since 2×206154241661433² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206154241661413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6132240960 + ... + 6132274577.

It is an arithmetic number, because the mean of its divisors is an integer number (18543947493456).

Almost surely, 2^{206154241661433} is an apocalyptic number.

It is an amenable number.

206154241661433 is a deficient number, since it is larger than the sum of its proper divisors (90548918233863).

206154241661433 is a wasteful number, since it uses less digits than its factorization.

206154241661433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12264515984.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 206154241661433 in words is "two hundred six trillion, one hundred fifty-four billion, two hundred forty-one million, six hundred sixty-one thousand, four hundred thirty-three".