67212770570661 has 8 divisors (see below), whose sum is σ = 89617943689600. Its totient is φ = 44808055582752.

The previous prime is 67212770570633. The next prime is 67212770570681. The reversal of 67212770570661 is 16607507721276.

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

It is not a de Polignac number, because 67212770570661 - 2¹⁴ = 67212770554277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67212770570681) 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, 114190285 + ... + 114777378.

It is an arithmetic number, because the mean of its divisors is an integer number (11202242961200).

Almost surely, 2^{67212770570661} is an apocalyptic number.

It is an amenable number.

67212770570661 is a deficient number, since it is larger than the sum of its proper divisors (22405173118939).

67212770570661 is a wasteful number, since it uses less digits than its factorization.

67212770570661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229065515.

The product of its (nonzero) digits is 10372320, while the sum is 57.

The spelling of 67212770570661 in words is "sixty-seven trillion, two hundred twelve billion, seven hundred seventy million, five hundred seventy thousand, six hundred sixty-one".