1659975054 has 16 divisors (see below), whose sum is σ = 3329805648. Its totient is φ = 551682432.

The previous prime is 1659975029. The next prime is 1659975091. The reversal of 1659975054 is 4505799561.

1659975054 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1659974988 and 1659975006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408457 + ... + 412500.

It is an arithmetic number, because the mean of its divisors is an integer number (208112853).

Almost surely, 2^1659975054 is an apocalyptic number.

1659975054 is an abundant number, since it is smaller than the sum of its proper divisors (1669830594).

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

1659975054 is a wasteful number, since it uses less digits than its factorization.

1659975054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821299.

The product of its (nonzero) digits is 1701000, while the sum is 51.

The square root of 1659975054 is about 40742.7914360320. The cubic root of 1659975054 is about 1184.0422163355.

The spelling of 1659975054 in words is "one billion, six hundred fifty-nine million, nine hundred seventy-five thousand, fifty-four".