2606066402 has 4 divisors (see below), whose sum is σ = 3909099606. Its totient is φ = 1303033200.

The previous prime is 2606066377. The next prime is 2606066413. The reversal of 2606066402 is 2046606062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2046606062 = 2 ⋅1023303031.

It can be written as a sum of positive squares in only one way, i.e., 2398158841 + 207907561 = 48971^2 + 14419^2 .

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 as a sum of consecutive naturals, namely, 651516599 + ... + 651516602.

Almost surely, 2^2606066402 is an apocalyptic number.

2606066402 is a deficient number, since it is larger than the sum of its proper divisors (1303033204).

2606066402 is a wasteful number, since it uses less digits than its factorization.

2606066402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303033203.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2606066402 is about 51049.6464434378. The cubic root of 2606066402 is about 1376.1374877408.

The spelling of 2606066402 in words is "two billion, six hundred six million, sixty-six thousand, four hundred two".