2654780158 has 4 divisors (see below), whose sum is σ = 3982170240. Its totient is φ = 1327390078.

The previous prime is 2654780137. The next prime is 2654780171. The reversal of 2654780158 is 8510874562.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663695038 + ... + 663695041.

It is an arithmetic number, because the mean of its divisors is an integer number (995542560).

Almost surely, 2^2654780158 is an apocalyptic number.

2654780158 is a deficient number, since it is larger than the sum of its proper divisors (1327390082).

2654780158 is a wasteful number, since it uses less digits than its factorization.

2654780158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327390081.

The product of its (nonzero) digits is 537600, while the sum is 46.

The square root of 2654780158 is about 51524.5587851075. The cubic root of 2654780158 is about 1384.6590685115.

The spelling of 2654780158 in words is "two billion, six hundred fifty-four million, seven hundred eighty thousand, one hundred fifty-eight".