5150665646 has 32 divisors (see below), whose sum is σ = 9047731968. Its totient is φ = 2153067840.

The previous prime is 5150665643. The next prime is 5150665739. The reversal of 5150665646 is 6465660515.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5150665597 and 5150665606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5150665643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452501 + ... + 463743.

It is an arithmetic number, because the mean of its divisors is an integer number (282741624).

Almost surely, 2^5150665646 is an apocalyptic number.

5150665646 is a deficient number, since it is larger than the sum of its proper divisors (3897066322).

5150665646 is a wasteful number, since it uses less digits than its factorization.

5150665646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12056.

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 5150665646 is about 71768.1380976266. The cubic root of 5150665646 is about 1726.9819014113.

The spelling of 5150665646 in words is "five billion, one hundred fifty million, six hundred sixty-five thousand, six hundred forty-six".