5165850390 has 16 divisors (see below), whose sum is σ = 12398041008. Its totient is φ = 1377560096.

The previous prime is 5165850383. The next prime is 5165850457. The reversal of 5165850390 is 930585615.

It is a Curzon number.

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, 86097477 + ... + 86097536.

It is an arithmetic number, because the mean of its divisors is an integer number (774877563).

Almost surely, 2^5165850390 is an apocalyptic number.

5165850390 is an abundant number, since it is smaller than the sum of its proper divisors (7232190618).

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

5165850390 is a wasteful number, since it uses less digits than its factorization.

5165850390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172195023.

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 5165850390 is about 71873.8505299389. The cubic root of 5165850390 is about 1728.6773489367.

The spelling of 5165850390 in words is "five billion, one hundred sixty-five million, eight hundred fifty thousand, three hundred ninety".