861151067 has 16 divisors (see below), whose sum is σ = 1022115072. Its totient is φ = 710186400.

The previous prime is 861151051. The next prime is 861151069. The reversal of 861151067 is 760151168.

It is not a de Polignac number, because 861151067 - 2⁴ = 861151051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (861151069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184 + ... + 41517.

It is an arithmetic number, because the mean of its divisors is an integer number (63882192).

Almost surely, 2^861151067 is an apocalyptic number.

861151067 is a deficient number, since it is larger than the sum of its proper divisors (160964005).

861151067 is a wasteful number, since it uses less digits than its factorization.

861151067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42818.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 861151067 is about 29345.3755641328. The cubic root of 861151067 is about 951.3926267710.

The spelling of 861151067 in words is "eight hundred sixty-one million, one hundred fifty-one thousand, sixty-seven".