6773801664 has 56 divisors (see below), whose sum is σ = 20482690048. Its totient is φ = 1935371520.

The previous prime is 6773801627. The next prime is 6773801681. The reversal of 6773801664 is 4661083776.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2518672 + ... + 2521359.

Almost surely, 2^6773801664 is an apocalyptic number.

6773801664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6773801664 is an abundant number, since it is smaller than the sum of its proper divisors (13708888384).

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

6773801664 is a wasteful number, since it uses less digits than its factorization.

6773801664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040053 (or 5040043 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 6773801664 is about 82303.1084710657. The cubic root of 6773801664 is about 1892.1003184356.

The spelling of 6773801664 in words is "six billion, seven hundred seventy-three million, eight hundred one thousand, six hundred sixty-four".