66262660002403 has 32 divisors (see below), whose sum is σ = 69178717440000. Its totient is φ = 63416746778880.

The previous prime is 66262660002391. The next prime is 66262660002419. The reversal of 66262660002403 is 30420006626266.

It is not a de Polignac number, because 66262660002403 - 2⁴⁵ = 31078287913571 is a prime.

It is a super-2 number, since 2×66262660002403² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66262660002403.

It is not an unprimeable number, because it can be changed into a prime (66262660002703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1772705568 + ... + 1772742946.

It is an arithmetic number, because the mean of its divisors is an integer number (2161834920000).

Almost surely, 2^{66262660002403} is an apocalyptic number.

66262660002403 is a deficient number, since it is larger than the sum of its proper divisors (2916057437597).

66262660002403 is a wasteful number, since it uses less digits than its factorization.

66262660002403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40155.

The product of its (nonzero) digits is 746496, while the sum is 43.

Adding to 66262660002403 its reverse (30420006626266), we get a palindrome (96682666628669).

The spelling of 66262660002403 in words is "sixty-six trillion, two hundred sixty-two billion, six hundred sixty million, two thousand, four hundred three".