4261230221616 has 120 divisors (see below), whose sum is σ = 12395403362160. Its totient is φ = 1365369619968.

The previous prime is 4261230221609. The next prime is 4261230221629. The reversal of 4261230221616 is 6161220321624.

4261230221616 is a `hidden beast` number, since 4 + 2 + 6 + 1 + 2 + 30 + 2 + 2 + 1 + 616 = 666.

It is a super-2 number, since 2×4261230221616² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 4375731 + ... + 5260178.

It is an arithmetic number, because the mean of its divisors is an integer number (103295028018).

Almost surely, 2^{4261230221616} is an apocalyptic number.

It is an amenable number.

4261230221616 is an abundant number, since it is smaller than the sum of its proper divisors (8134173140544).

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

4261230221616 is a wasteful number, since it uses less digits than its factorization.

4261230221616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636043 (or 9636034 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 4261230221616 in words is "four trillion, two hundred sixty-one billion, two hundred thirty million, two hundred twenty-one thousand, six hundred sixteen".