146722840667 has 8 divisors (see below), whose sum is σ = 158292899856. Its totient is φ = 135193308192.

The previous prime is 146722840657. The next prime is 146722840681. The reversal of 146722840667 is 766048227641.

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 146722840667 - 2²⁴ = 146706063451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146722840637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10124153 + ... + 10138634.

It is an arithmetic number, because the mean of its divisors is an integer number (19786612482).

Almost surely, 2^146722840667 is an apocalyptic number.

146722840667 is a deficient number, since it is larger than the sum of its proper divisors (11570059189).

146722840667 is a wasteful number, since it uses less digits than its factorization.

146722840667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20263357.

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 146722840667 in words is "one hundred forty-six billion, seven hundred twenty-two million, eight hundred forty thousand, six hundred sixty-seven".