2167147641 has 16 divisors (see below), whose sum is σ = 3165004800. Its totient is φ = 1312889088.

The previous prime is 2167147637. The next prime is 2167147663. The reversal of 2167147641 is 1467417612.

It is not a de Polignac number, because 2167147641 - 2² = 2167147637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2167147641.

It is not an unprimeable number, because it can be changed into a prime (2167147601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731161 + ... + 734118.

It is an arithmetic number, because the mean of its divisors is an integer number (197812800).

Almost surely, 2^2167147641 is an apocalyptic number.

It is an amenable number.

2167147641 is a deficient number, since it is larger than the sum of its proper divisors (997857159).

2167147641 is a wasteful number, since it uses less digits than its factorization.

2167147641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465328.

The product of its digits is 56448, while the sum is 39.

The square root of 2167147641 is about 46552.6330189819. The cubic root of 2167147641 is about 1294.0850891271.

The spelling of 2167147641 in words is "two billion, one hundred sixty-seven million, one hundred forty-seven thousand, six hundred forty-one".