2166793250 has 32 divisors (see below), whose sum is σ = 4269732480. Its totient is φ = 821098800.

The previous prime is 2166793243. The next prime is 2166793253. The reversal of 2166793250 is 523976612.

It is a junction number, because it is equal to n+sod(n) for n = 2166793198 and 2166793207.

It is not an unprimeable number, because it can be changed into a prime (2166793253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223334 + ... + 232833.

It is an arithmetic number, because the mean of its divisors is an integer number (133429140).

Almost surely, 2^2166793250 is an apocalyptic number.

2166793250 is a deficient number, since it is larger than the sum of its proper divisors (2102939230).

2166793250 is a wasteful number, since it uses less digits than its factorization.

2166793250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456203 (or 456193 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 2166793250 is about 46548.8265158210. The cubic root of 2166793250 is about 1294.0145452317.

The spelling of 2166793250 in words is "two billion, one hundred sixty-six million, seven hundred ninety-three thousand, two hundred fifty".