66023474836 has 12 divisors (see below), whose sum is σ = 126044815680. Its totient is φ = 30010670360.

The previous prime is 66023474791. The next prime is 66023474837. The reversal of 66023474836 is 63847432066.

It is a self number, because there is not a number n which added to its sum of digits gives 66023474836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66023474837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750266716 + ... + 750266803.

It is an arithmetic number, because the mean of its divisors is an integer number (10503734640).

Almost surely, 2^66023474836 is an apocalyptic number.

It is an amenable number.

66023474836 is a deficient number, since it is larger than the sum of its proper divisors (60021340844).

66023474836 is a wasteful number, since it uses less digits than its factorization.

66023474836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500533534 (or 1500533532 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 66023474836 in words is "sixty-six billion, twenty-three million, four hundred seventy-four thousand, eight hundred thirty-six".