6201661026 has 32 divisors (see below), whose sum is σ = 13533785856. Its totient is φ = 1878890000.

The previous prime is 6201660977. The next prime is 6201661031.

6201661026 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6201660984 and 6201661002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485461 + ... + 498071.

It is an arithmetic number, because the mean of its divisors is an integer number (422930808).

Almost surely, 2^6201661026 is an apocalyptic number.

6201661026 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6201661026 is an abundant number, since it is smaller than the sum of its proper divisors (7332124830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6201661026 is a wasteful number, since it uses less digits than its factorization.

6201661026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20078.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6201661026 is about 78750.6255594202. The cubic root of 6201661026 is about 1837.2545920952.

The spelling of 6201661026 in words is "six billion, two hundred one million, six hundred sixty-one thousand, twenty-six".