2146868157 has 8 divisors (see below), whose sum is σ = 3271418176. Its totient is φ = 1226781792.

The previous prime is 2146868149. The next prime is 2146868177. The reversal of 2146868157 is 7518686412.

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

It is not a de Polignac number, because 2146868157 - 2³ = 2146868149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146868147) 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, 51115888 + ... + 51115929.

It is an arithmetic number, because the mean of its divisors is an integer number (408927272).

Almost surely, 2^2146868157 is an apocalyptic number.

It is an amenable number.

2146868157 is a deficient number, since it is larger than the sum of its proper divisors (1124550019).

2146868157 is a wasteful number, since it uses less digits than its factorization.

2146868157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102231827.

The product of its digits is 645120, while the sum is 48.

The square root of 2146868157 is about 46334.3086384161. The cubic root of 2146868157 is about 1290.0358856672.

The spelling of 2146868157 in words is "two billion, one hundred forty-six million, eight hundred sixty-eight thousand, one hundred fifty-seven".