1906735568 has 20 divisors (see below), whose sum is σ = 3756917280. Its totient is φ = 937208544.

The previous prime is 1906735559. The next prime is 1906735573. The reversal of 1906735568 is 8655376091.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008980 + ... + 1010867.

It is an arithmetic number, because the mean of its divisors is an integer number (187845864).

Almost surely, 2^1906735568 is an apocalyptic number.

It is an amenable number.

1906735568 is a deficient number, since it is larger than the sum of its proper divisors (1850181712).

1906735568 is a wasteful number, since it uses less digits than its factorization.

1906735568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019914 (or 2019908 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 1906735568 is about 43666.1833459257. The cubic root of 1906735568 is about 1240.0241861394.

The spelling of 1906735568 in words is "one billion, nine hundred six million, seven hundred thirty-five thousand, five hundred sixty-eight".