6040561664 has 24 divisors (see below), whose sum is σ = 12078177930. Its totient is φ = 3020279808.

The previous prime is 6040561627. The next prime is 6040561687. The reversal of 6040561664 is 4661650406.

It can be written as a sum of positive squares in only one way, i.e., 3794560000 + 2246001664 = 61600^2 + 47392^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472699 + ... + 1476794.

Almost surely, 2^6040561664 is an apocalyptic number.

6040561664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6040561664 is a deficient number, since it is larger than the sum of its proper divisors (6037616266).

6040561664 is an equidigital number, since it uses as much as digits as its factorization.

6040561664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949515 (or 2949495 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 6040561664 is about 77721.0503274370. The cubic root of 6040561664 is about 1821.2061465096.

The spelling of 6040561664 in words is "six billion, forty million, five hundred sixty-one thousand, six hundred sixty-four".