6920168158 has 4 divisors (see below), whose sum is σ = 10380252240. Its totient is φ = 3460084078.

The previous prime is 6920168137. The next prime is 6920168179. The reversal of 6920168158 is 8518610296.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6920168137) and next prime (6920168179).

It is a super-2 number, since 2×6920168158² = 95777454669994225928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730042038 + ... + 1730042041.

It is an arithmetic number, because the mean of its divisors is an integer number (2595063060).

Almost surely, 2^6920168158 is an apocalyptic number.

6920168158 is a deficient number, since it is larger than the sum of its proper divisors (3460084082).

6920168158 is a wasteful number, since it uses less digits than its factorization.

6920168158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460084081.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 6920168158 is about 83187.5480946518. The cubic root of 6920168158 is about 1905.6313224564.

The spelling of 6920168158 in words is "six billion, nine hundred twenty million, one hundred sixty-eight thousand, one hundred fifty-eight".