66225614402 has 16 divisors (see below), whose sum is σ = 104073384192. Its totient is φ = 31566371760.

The previous prime is 66225614401. The next prime is 66225614459. The reversal of 66225614402 is 20441652266.

It is not an unprimeable number, because it can be changed into a prime (66225614401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7967153 + ... + 7975460.

It is an arithmetic number, because the mean of its divisors is an integer number (6504586512).

Almost surely, 2^66225614402 is an apocalyptic number.

66225614402 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66225614402 is a deficient number, since it is larger than the sum of its proper divisors (37847769790).

66225614402 is a wasteful number, since it uses less digits than its factorization.

66225614402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15942713.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 66225614402 in words is "sixty-six billion, two hundred twenty-five million, six hundred fourteen thousand, four hundred two".