66036465444155 has 8 divisors (see below), whose sum is σ = 82689139338912. Its totient is φ = 50532251818048.

The previous prime is 66036465444143. The next prime is 66036465444163. The reversal of 66036465444155 is 55144456463066.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66036465444155 - 2²² = 66036461249851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66036465444094 and 66036465444103.

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, 287115067034 + ... + 287115067263.

It is an arithmetic number, because the mean of its divisors is an integer number (10336142417364).

Almost surely, 2^{66036465444155} is an apocalyptic number.

66036465444155 is a deficient number, since it is larger than the sum of its proper divisors (16652673894757).

66036465444155 is a wasteful number, since it uses less digits than its factorization.

66036465444155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574230134325.

The product of its (nonzero) digits is 124416000, while the sum is 59.

The spelling of 66036465444155 in words is "sixty-six trillion, thirty-six billion, four hundred sixty-five million, four hundred forty-four thousand, one hundred fifty-five".