1061665167 has 8 divisors (see below), whose sum is σ = 1438759600. Its totient is φ = 696173760.

The previous prime is 1061665151. The next prime is 1061665177. The reversal of 1061665167 is 7615661601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1061665167 - 2⁴ = 1061665151 is a prime.

It is a super-2 number, since 2×1061665167² = 2254265853642275778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061665117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2900542 + ... + 2900907.

It is an arithmetic number, because the mean of its divisors is an integer number (179844950).

Almost surely, 2^1061665167 is an apocalyptic number.

1061665167 is a deficient number, since it is larger than the sum of its proper divisors (377094433).

1061665167 is an equidigital number, since it uses as much as digits as its factorization.

1061665167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801513.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1061665167 is about 32583.2037559231. The cubic root of 1061665167 is about 1020.1464505212.

The spelling of 1061665167 in words is "one billion, sixty-one million, six hundred sixty-five thousand, one hundred sixty-seven".