67152161251 has 4 divisors (see below), whose sum is σ = 76745327152. Its totient is φ = 57558995352.

The previous prime is 67152161213. The next prime is 67152161269. The reversal of 67152161251 is 15216125176.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67152161251 - 2¹⁹ = 67151636963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67152161251.

It is not an unprimeable number, because it can be changed into a prime (67152161201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4796582940 + ... + 4796582953.

It is an arithmetic number, because the mean of its divisors is an integer number (19186331788).

Almost surely, 2^67152161251 is an apocalyptic number.

67152161251 is a deficient number, since it is larger than the sum of its proper divisors (9593165901).

67152161251 is an equidigital number, since it uses as much as digits as its factorization.

67152161251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9593165900.

The product of its digits is 25200, while the sum is 37.

The spelling of 67152161251 in words is "sixty-seven billion, one hundred fifty-two million, one hundred sixty-one thousand, two hundred fifty-one".