5165748540 has 192 divisors, whose sum is σ = 16910208000. Its totient is φ = 1307255040.

The previous prime is 5165748487. The next prime is 5165748563. The reversal of 5165748540 is 458475615.

5165748540 is a `hidden beast` number, since 5 + 1 + 65 + 7 + 48 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 921145 + ... + 926735.

It is an arithmetic number, because the mean of its divisors is an integer number (88074000).

Almost surely, 2^5165748540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5165748540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8455104000).

5165748540 is an abundant number, since it is smaller than the sum of its proper divisors (11744459460).

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

5165748540 is a wasteful number, since it uses less digits than its factorization.

5165748540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697 (or 5689 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 5165748540 is about 71873.1419933761. The cubic root of 5165748540 is about 1728.6659879840.

The spelling of 5165748540 in words is "five billion, one hundred sixty-five million, seven hundred forty-eight thousand, five hundred forty".