2158182554 has 8 divisors (see below), whose sum is σ = 3531571488. Its totient is φ = 980992060.

The previous prime is 2158182553. The next prime is 2158182557. The reversal of 2158182554 is 4552818512.

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

It is not an unprimeable number, because it can be changed into a prime (2158182553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49049582 + ... + 49049625.

It is an arithmetic number, because the mean of its divisors is an integer number (441446436).

Almost surely, 2^2158182554 is an apocalyptic number.

2158182554 is a deficient number, since it is larger than the sum of its proper divisors (1373388934).

2158182554 is a wasteful number, since it uses less digits than its factorization.

2158182554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98099220.

The product of its digits is 128000, while the sum is 41.

The square root of 2158182554 is about 46456.2434340100. The cubic root of 2158182554 is about 1292.2981596281.

The spelling of 2158182554 in words is "two billion, one hundred fifty-eight million, one hundred eighty-two thousand, five hundred fifty-four".