2660290084 has 81 divisors (see below), whose sum is σ = 5209736889. Its totient is φ = 1188357120.

The previous prime is 2660290069. The next prime is 2660290091. The reversal of 2660290084 is 4800920662.

The square root of 2660290084 is 51578.

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

It can be written as a sum of positive squares in 13 ways, for example, as 845530084 + 1814760000 = 29078^2 + 42600^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 64885104 + ... + 64885144.

Almost surely, 2^2660290084 is an apocalyptic number.

2660290084 is the 51578-th square number.

It is an amenable number.

2660290084 is a deficient number, since it is larger than the sum of its proper divisors (2549446805).

2660290084 is a wasteful number, since it uses less digits than its factorization.

2660290084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The cubic root of 2660290084 is about 1385.6163476384.

The spelling of 2660290084 in words is "two billion, six hundred sixty million, two hundred ninety thousand, eighty-four".