2622531664 has 10 divisors (see below), whose sum is σ = 5081155130. Its totient is φ = 1311265824.

The previous prime is 2622531577. The next prime is 2622531689. The reversal of 2622531664 is 4661352262.

It can be written as a sum of positive squares in only one way, i.e., 2298243600 + 324288064 = 47940^2 + 18008^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81954099 + ... + 81954130.

It is an arithmetic number, because the mean of its divisors is an integer number (508115513).

Almost surely, 2^2622531664 is an apocalyptic number.

It is an amenable number.

2622531664 is a deficient number, since it is larger than the sum of its proper divisors (2458623466).

2622531664 is a wasteful number, since it uses less digits than its factorization.

2622531664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163908237 (or 163908231 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 2622531664 is about 51210.6596715957. The cubic root of 2622531664 is about 1379.0295746992.

It can be divided in two parts, 2622531 and 664, that added together give a triangular number (2623195 = T₂₂₉₀).

The spelling of 2622531664 in words is "two billion, six hundred twenty-two million, five hundred thirty-one thousand, six hundred sixty-four".