4851309161988 has 36 divisors (see below), whose sum is σ = 12300079956528. Its totient is φ = 1612217542320.

The previous prime is 4851309161971. The next prime is 4851309162079. The reversal of 4851309161988 is 8891619031584.

4851309161988 is a `hidden beast` number, since 4 + 8 + 5 + 1 + 3 + 0 + 9 + 1 + 619 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4851309161988² (a number of 26 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 203550906 + ... + 203574737.

Almost surely, 2^{4851309161988} is an apocalyptic number.

It is an amenable number.

4851309161988 is an abundant number, since it is smaller than the sum of its proper divisors (7448770794540).

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

4851309161988 is a wasteful number, since it uses less digits than its factorization.

4851309161988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407125984 (or 407125979 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 63.

The spelling of 4851309161988 in words is "four trillion, eight hundred fifty-one billion, three hundred nine million, one hundred sixty-one thousand, nine hundred eighty-eight".