66070786955 has 8 divisors (see below), whose sum is σ = 80584697904. Its totient is φ = 51990127200.

The previous prime is 66070786933. The next prime is 66070786961. The reversal of 66070786955 is 55968707066.

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

It is a de Polignac number, because none of the positive numbers 2^k-66070786955 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66070786894 and 66070786903.

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, 108312461 + ... + 108313070.

It is an arithmetic number, because the mean of its divisors is an integer number (10073087238).

Almost surely, 2^66070786955 is an apocalyptic number.

66070786955 is a deficient number, since it is larger than the sum of its proper divisors (14513910949).

66070786955 is a wasteful number, since it uses less digits than its factorization.

66070786955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216625597.

The product of its (nonzero) digits is 19051200, while the sum is 59.

The spelling of 66070786955 in words is "sixty-six billion, seventy million, seven hundred eighty-six thousand, nine hundred fifty-five".