1906823151 has 12 divisors (see below), whose sum is σ = 2761385640. Its totient is φ = 1267945200.

The previous prime is 1906823143. The next prime is 1906823161. The reversal of 1906823151 is 1513286091.

It is not a de Polignac number, because 1906823151 - 2³ = 1906823143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906823141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268825 + ... + 275826.

It is an arithmetic number, because the mean of its divisors is an integer number (230115470).

Almost surely, 2^1906823151 is an apocalyptic number.

1906823151 is a deficient number, since it is larger than the sum of its proper divisors (854562489).

1906823151 is a wasteful number, since it uses less digits than its factorization.

1906823151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545046 (or 545043 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1906823151 is about 43667.1862042885. The cubic root of 1906823151 is about 1240.0431720574.

The spelling of 1906823151 in words is "one billion, nine hundred six million, eight hundred twenty-three thousand, one hundred fifty-one".