6581764090 has 32 divisors (see below), whose sum is σ = 12989839104. Its totient is φ = 2381211840.

The previous prime is 6581764073. The next prime is 6581764099. The reversal of 6581764090 is 904671856.

It is a self number, because there is not a number n which added to its sum of digits gives 6581764090.

It is not an unprimeable number, because it can be changed into a prime (6581764099) 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, 130194 + ... + 173533.

It is an arithmetic number, because the mean of its divisors is an integer number (405932472).

Almost surely, 2^6581764090 is an apocalyptic number.

6581764090 is a deficient number, since it is larger than the sum of its proper divisors (6408075014).

6581764090 is a wasteful number, since it uses less digits than its factorization.

6581764090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303942.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 6581764090 is about 81128.0721452199. The cubic root of 6581764090 is about 1874.0482603321.

It can be divided in two parts, 658176 and 4090, that added together give a palindrome (662266).

The spelling of 6581764090 in words is "six billion, five hundred eighty-one million, seven hundred sixty-four thousand, ninety".