867732166 has 32 divisors (see below), whose sum is σ = 1587317760. Its totient is φ = 347478336.

The previous prime is 867732161. The next prime is 867732169. The reversal of 867732166 is 661237768.

867732166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×867732166² = 1505918223822103112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867732161) 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, 2926 + ... + 41761.

It is an arithmetic number, because the mean of its divisors is an integer number (49603680).

Almost surely, 2^867732166 is an apocalyptic number.

867732166 is a deficient number, since it is larger than the sum of its proper divisors (719585594).

867732166 is a wasteful number, since it uses less digits than its factorization.

867732166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44788.

The product of its digits is 508032, while the sum is 46.

The square root of 867732166 is about 29457.2939354585. The cubic root of 867732166 is about 953.8100603858.

The spelling of 867732166 in words is "eight hundred sixty-seven million, seven hundred thirty-two thousand, one hundred sixty-six".