1056198167 has 8 divisors (see below), whose sum is σ = 1068312576. Its totient is φ = 1044143352.

The previous prime is 1056198149. The next prime is 1056198173. The reversal of 1056198167 is 7618916501.

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

It is a cyclic number.

It is not a de Polignac number, because 1056198167 - 2²⁴ = 1039420951 is a prime.

It is a super-2 number, since 2×1056198167² = 2231109135948319778, 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 (1056198127) 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, 21248 + ... + 50634.

It is an arithmetic number, because the mean of its divisors is an integer number (133539072).

Almost surely, 2^1056198167 is an apocalyptic number.

1056198167 is a deficient number, since it is larger than the sum of its proper divisors (12114409).

1056198167 is a wasteful number, since it uses less digits than its factorization.

1056198167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29797.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1056198167 is about 32499.2025594475. The cubic root of 1056198167 is about 1018.3923691707.

The spelling of 1056198167 in words is "one billion, fifty-six million, one hundred ninety-eight thousand, one hundred sixty-seven".