67054149407 has 16 divisors (see below), whose sum is σ = 76774763520. Its totient is φ = 57368997312.

The previous prime is 67054149403. The next prime is 67054149493. The reversal of 67054149407 is 70494145076.

It is a cyclic number.

It is not a de Polignac number, because 67054149407 - 2² = 67054149403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67054149403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12641918 + ... + 12647220.

It is an arithmetic number, because the mean of its divisors is an integer number (4798422720).

Almost surely, 2^67054149407 is an apocalyptic number.

67054149407 is a deficient number, since it is larger than the sum of its proper divisors (9720614113).

67054149407 is a wasteful number, since it uses less digits than its factorization.

67054149407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8302.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 67054149407 in words is "sixty-seven billion, fifty-four million, one hundred forty-nine thousand, four hundred seven".