2662766404 has 9 divisors (see below), whose sum is σ = 4660021821. Its totient is φ = 1331331600.

The previous prime is 2662766377. The next prime is 2662766411. The reversal of 2662766404 is 4046672662.

The square root of 2662766404 is 51602.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1383988804 + 1278777600 = 37202^2 + 35760^2 .

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 90304 + ... + 116104.

Almost surely, 2^2662766404 is an apocalyptic number.

2662766404 is the 51602-nd square number.

It is an amenable number.

2662766404 is a deficient number, since it is larger than the sum of its proper divisors (1997255417).

2662766404 is an frugal number, since it uses more digits than its factorization.

2662766404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51606 (or 25803 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The cubic root of 2662766404 is about 1386.0461460523.

The spelling of 2662766404 in words is "two billion, six hundred sixty-two million, seven hundred sixty-six thousand, four hundred four".