6166562989851 has 96 divisors (see below), whose sum is σ = 10384390149120. Its totient is φ = 3484865203200.

The previous prime is 6166562989841. The next prime is 6166562989921. The reversal of 6166562989851 is 1589892656616.

It is a happy number.

6166562989851 is a `hidden beast` number, since 6 + 1 + 6 + 6 + 562 + 9 + 8 + 9 + 8 + 51 = 666.

It is not a de Polignac number, because 6166562989851 - 2¹⁷ = 6166562858779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6166562989851.

It is not an unprimeable number, because it can be changed into a prime (6166562989841) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 81602881 + ... + 81678413.

It is an arithmetic number, because the mean of its divisors is an integer number (108170730720).

Almost surely, 2^{6166562989851} is an apocalyptic number.

6166562989851 is a deficient number, since it is larger than the sum of its proper divisors (4217827159269).

6166562989851 is a wasteful number, since it uses less digits than its factorization.

6166562989851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76017 (or 76014 counting only the distinct ones).

The product of its digits is 335923200, while the sum is 72.

The spelling of 6166562989851 in words is "six trillion, one hundred sixty-six billion, five hundred sixty-two million, nine hundred eighty-nine thousand, eight hundred fifty-one".