2403266661 has 48 divisors (see below), whose sum is σ = 3874224640. Its totient is φ = 1429073280.

The previous prime is 2403266641. The next prime is 2403266669. The reversal of 2403266661 is 1666623042.

It is not a de Polignac number, because 2403266661 - 2⁷ = 2403266533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403266669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190011 + ... + 202263.

Almost surely, 2^2403266661 is an apocalyptic number.

It is an amenable number.

2403266661 is a deficient number, since it is larger than the sum of its proper divisors (1470957979).

2403266661 is a wasteful number, since it uses less digits than its factorization.

2403266661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12346 (or 12343 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 2403266661 is about 49023.1237376812. The cubic root of 2403266661 is about 1339.4730721358.

The spelling of 2403266661 in words is "two billion, four hundred three million, two hundred sixty-six thousand, six hundred sixty-one".