2051006167 has 16 divisors (see below), whose sum is σ = 2475210240. Its totient is φ = 1660190688.

The previous prime is 2051006107. The next prime is 2051006173. The reversal of 2051006167 is 7616001502.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051006167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051006107) 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, 17838 + ... + 66484.

It is an arithmetic number, because the mean of its divisors is an integer number (154700640).

Almost surely, 2^2051006167 is an apocalyptic number.

2051006167 is a deficient number, since it is larger than the sum of its proper divisors (424204073).

2051006167 is a wasteful number, since it uses less digits than its factorization.

2051006167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48990.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2051006167 is about 45288.0355833635. The cubic root of 2051006167 is about 1270.5418910141.

Adding to 2051006167 its reverse (7616001502), we get a palindrome (9667007669).

The spelling of 2051006167 in words is "two billion, fifty-one million, six thousand, one hundred sixty-seven".