6502166020 has 48 divisors (see below), whose sum is σ = 15621661440. Its totient is φ = 2226962304.

The previous prime is 6502166003. The next prime is 6502166023. The reversal of 6502166020 is 206612056.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 6502166020.

It is not an unprimeable number, because it can be changed into a prime (6502166023) 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, 111366 + ... + 159394.

It is an arithmetic number, because the mean of its divisors is an integer number (325451280).

Almost surely, 2^6502166020 is an apocalyptic number.

It is an amenable number.

6502166020 is an abundant number, since it is smaller than the sum of its proper divisors (9119495420).

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

6502166020 is a wasteful number, since it uses less digits than its factorization.

6502166020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49012 (or 49010 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6502166020 is about 80636.0094498730. The cubic root of 6502166020 is about 1866.4628552279.

Adding to 6502166020 its reverse (206612056), we get a palindrome (6708778076).

The spelling of 6502166020 in words is "six billion, five hundred two million, one hundred sixty-six thousand, twenty".