7061633664 has 64 divisors (see below), whose sum is σ = 18855866880. Its totient is φ = 2341529600.

The previous prime is 7061633641. The next prime is 7061633671. The reversal of 7061633664 is 4663361607.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25204 + ... + 121484.

It is an arithmetic number, because the mean of its divisors is an integer number (294622920).

Almost surely, 2^7061633664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7061633664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9427933440).

7061633664 is an abundant number, since it is smaller than the sum of its proper divisors (11794233216).

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

7061633664 is a wasteful number, since it uses less digits than its factorization.

7061633664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96489 (or 96477 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 7061633664 is about 84033.5270234446. The cubic root of 7061633664 is about 1918.5291165213.

The spelling of 7061633664 in words is "seven billion, sixty-one million, six hundred thirty-three thousand, six hundred sixty-four".