2158377092 has 24 divisors (see below), whose sum is σ = 3922856280. Its totient is φ = 1038216960.

The previous prime is 2158377073. The next prime is 2158377097. The reversal of 2158377092 is 2907738512.

It can be written as a sum of positive squares in 4 ways, for example, as 38142976 + 2120234116 = 6176^2 + 46046^2 .

It is not an unprimeable number, because it can be changed into a prime (2158377097) 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, 68759 + ... + 95102.

It is an arithmetic number, because the mean of its divisors is an integer number (163452345).

Almost surely, 2^2158377092 is an apocalyptic number.

It is an amenable number.

2158377092 is a deficient number, since it is larger than the sum of its proper divisors (1764479188).

2158377092 is a wasteful number, since it uses less digits than its factorization.

2158377092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163991 (or 163989 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 2158377092 is about 46458.3371635275. The cubic root of 2158377092 is about 1292.3369875987.

The spelling of 2158377092 in words is "two billion, one hundred fifty-eight million, three hundred seventy-seven thousand, ninety-two".