107918163081 has 49 divisors (see below), whose sum is σ = 169157918749. Its totient is φ = 68817379356.

The previous prime is 107918163037. The next prime is 107918163109. The reversal of 107918163081 is 180361819701.

The square root of 107918163081 is 328509.

The cubic root of 107918163081 is 4761.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

107918163081 is a `hidden beast` number, since 1 + 0 + 7 + 9 + 1 + 8 + 1 + 630 + 8 + 1 = 666.

It is not a de Polignac number, because 107918163081 - 2¹⁹ = 107917638793 is a prime.

It is a super-2 number, since 2×107918163081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (107918163281) by changing a digit.

It is a polite number, since it can be written in 48 ways as a sum of consecutive naturals, for example, 4692094036 + ... + 4692094058.

Almost surely, 2^107918163081 is an apocalyptic number.

107918163081 is the 328509-th square number.

107918163081 is the 164255-th centered octagonal number.

It is an amenable number.

107918163081 is a deficient number, since it is larger than the sum of its proper divisors (61239755668).

107918163081 is an frugal number, since it uses more digits than its factorization.

107918163081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The spelling of 107918163081 in words is "one hundred seven billion, nine hundred eighteen million, one hundred sixty-three thousand, eighty-one".