67149322746 has 16 divisors (see below), whose sum is σ = 146507613408. Its totient is φ = 20348279600.

The previous prime is 67149322741. The next prime is 67149322753. The reversal of 67149322746 is 64722394176.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (67149322741) 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, 508706925 + ... + 508707056.

It is an arithmetic number, because the mean of its divisors is an integer number (9156725838).

Almost surely, 2^67149322746 is an apocalyptic number.

67149322746 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

67149322746 is an abundant number, since it is smaller than the sum of its proper divisors (79358290662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67149322746 is a wasteful number, since it uses less digits than its factorization.

67149322746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017413997.

The product of its digits is 3048192, while the sum is 51.

The spelling of 67149322746 in words is "sixty-seven billion, one hundred forty-nine million, three hundred twenty-two thousand, seven hundred forty-six".