1618110586851 has 32 divisors (see below), whose sum is σ = 2359427304960. Its totient is φ = 978252326400.

The previous prime is 1618110586847. The next prime is 1618110586867. The reversal of 1618110586851 is 1586850118161.

It is a happy number.

It is not a de Polignac number, because 1618110586851 - 2² = 1618110586847 is a prime.

It is a super-2 number, since 2×1618110586851² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1618110586794 and 1618110586803.

It is not an unprimeable number, because it can be changed into a prime (1618110586811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133578571 + ... + 133590683.

It is an arithmetic number, because the mean of its divisors is an integer number (73732103280).

Almost surely, 2^{1618110586851} is an apocalyptic number.

1618110586851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1618110586851 is a deficient number, since it is larger than the sum of its proper divisors (741316718109).

1618110586851 is a wasteful number, since it uses less digits than its factorization.

1618110586851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21787.

The product of its (nonzero) digits is 460800, while the sum is 51.

The spelling of 1618110586851 in words is "one trillion, six hundred eighteen billion, one hundred ten million, five hundred eighty-six thousand, eight hundred fifty-one".