1954091106 has 48 divisors (see below), whose sum is σ = 4654080288. Its totient is φ = 587620800.

The previous prime is 1954091059. The next prime is 1954091131. The reversal of 1954091106 is 6011904591.

1954091106 is a `hidden beast` number, since 1 + 9 + 540 + 9 + 1 + 106 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11731 + ... + 63606.

It is an arithmetic number, because the mean of its divisors is an integer number (96960006).

Almost surely, 2^1954091106 is an apocalyptic number.

1954091106 is an abundant number, since it is smaller than the sum of its proper divisors (2699989182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1954091106 is a wasteful number, since it uses less digits than its factorization.

1954091106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75487 (or 75484 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 1954091106 is about 44205.1027145057. The cubic root of 1954091106 is about 1250.2060686400.

Adding to 1954091106 its reverse (6011904591), we get a palindrome (7965995697).

The spelling of 1954091106 in words is "one billion, nine hundred fifty-four million, ninety-one thousand, one hundred six".