2490975166 has 4 divisors (see below), whose sum is σ = 3736462752. Its totient is φ = 1245487582.

The previous prime is 2490975163. The next prime is 2490975169. The reversal of 2490975166 is 6615790942.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6615790942 = 2 ⋅3307895471.

It is an interprime number because it is at equal distance from previous prime (2490975163) and next prime (2490975169).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490975163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622743790 + ... + 622743793.

It is an arithmetic number, because the mean of its divisors is an integer number (934115688).

Almost surely, 2^2490975166 is an apocalyptic number.

2490975166 is a deficient number, since it is larger than the sum of its proper divisors (1245487586).

2490975166 is a wasteful number, since it uses less digits than its factorization.

2490975166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245487585.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 2490975166 is about 49909.6700650285. The cubic root of 2490975166 is about 1355.5736946058.

The spelling of 2490975166 in words is "two billion, four hundred ninety million, nine hundred seventy-five thousand, one hundred sixty-six".