1954950166 has 16 divisors (see below), whose sum is σ = 3324207600. Its totient is φ = 854795808.

The previous prime is 1954950163. The next prime is 1954950181. The reversal of 1954950166 is 6610594591.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954950163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1978201 + ... + 1979188.

It is an arithmetic number, because the mean of its divisors is an integer number (207762975).

Almost surely, 2^1954950166 is an apocalyptic number.

1954950166 is a deficient number, since it is larger than the sum of its proper divisors (1369257434).

1954950166 is a wasteful number, since it uses less digits than its factorization.

1954950166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957423.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 1954950166 is about 44214.8183983605. The cubic root of 1954950166 is about 1250.3892475232.

The spelling of 1954950166 in words is "one billion, nine hundred fifty-four million, nine hundred fifty thousand, one hundred sixty-six".