66065501521202 has 16 divisors (see below), whose sum is σ = 99222506070912. Its totient is φ = 32991351008160.

The previous prime is 66065501521193. The next prime is 66065501521211. The reversal of 66065501521202 is 20212510556066.

It is an interprime number because it is at equal distance from previous prime (66065501521193) and next prime (66065501521211).

It is a self number, because there is not a number n which added to its sum of digits gives 66065501521202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2730638 + ... + 11814710.

It is an arithmetic number, because the mean of its divisors is an integer number (6201406629432).

Almost surely, 2^{66065501521202} is an apocalyptic number.

66065501521202 is a deficient number, since it is larger than the sum of its proper divisors (33157004549710).

66065501521202 is a wasteful number, since it uses less digits than its factorization.

66065501521202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9088633.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 66065501521202 in words is "sixty-six trillion, sixty-five billion, five hundred one million, five hundred twenty-one thousand, two hundred two".