2158406224157 has 8 divisors (see below), whose sum is σ = 2266159908000. Its totient is φ = 2052874265904.

The previous prime is 2158406224141. The next prime is 2158406224189. The reversal of 2158406224157 is 7514226048512.

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 2158406224157 - 2⁴ = 2158406224141 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 (2158406224057) 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, 555429407 + ... + 555433292.

It is an arithmetic number, because the mean of its divisors is an integer number (283269988500).

Almost surely, 2^{2158406224157} is an apocalyptic number.

It is an amenable number.

2158406224157 is a deficient number, since it is larger than the sum of its proper divisors (107753683843).

2158406224157 is a wasteful number, since it uses less digits than its factorization.

2158406224157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110862795.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 2158406224157 in words is "two trillion, one hundred fifty-eight billion, four hundred six million, two hundred twenty-four thousand, one hundred fifty-seven".