2158786053 has 32 divisors (see below), whose sum is σ = 3306912000. Its totient is φ = 1390799808.

The previous prime is 2158786043. The next prime is 2158786087. The reversal of 2158786053 is 3506878512.

2158786053 is a `hidden beast` number, since 2 + 1 + 587 + 8 + 60 + 5 + 3 = 666.

It is not a de Polignac number, because 2158786053 - 2⁶ = 2158785989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158786043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141600 + ... + 156102.

It is an arithmetic number, because the mean of its divisors is an integer number (103341000).

Almost surely, 2^2158786053 is an apocalyptic number.

It is an amenable number.

2158786053 is a deficient number, since it is larger than the sum of its proper divisors (1148125947).

2158786053 is a wasteful number, since it uses less digits than its factorization.

2158786053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14698 (or 14692 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 2158786053 is about 46462.7383286866. The cubic root of 2158786053 is about 1292.4186047933.

The spelling of 2158786053 in words is "two billion, one hundred fifty-eight million, seven hundred eighty-six thousand, fifty-three".