2916187945081 has 16 divisors (see below), whose sum is σ = 2983384949760. Its totient is φ = 2849209168960.

The previous prime is 2916187945051. The next prime is 2916187945117. The reversal of 2916187945081 is 1805497816192.

2916187945081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2916187945081 - 2²⁹ = 2915651074169 is a prime.

It is a super-2 number, since 2×2916187945081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2916187945051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79818240 + ... + 79854766.

It is an arithmetic number, because the mean of its divisors is an integer number (186461559360).

Almost surely, 2^{2916187945081} is an apocalyptic number.

It is an amenable number.

2916187945081 is a deficient number, since it is larger than the sum of its proper divisors (67197004679).

2916187945081 is a wasteful number, since it uses less digits than its factorization.

2916187945081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39464.

The product of its (nonzero) digits is 8709120, while the sum is 61.

The spelling of 2916187945081 in words is "two trillion, nine hundred sixteen billion, one hundred eighty-seven million, nine hundred forty-five thousand, eighty-one".