67148052438 has 16 divisors (see below), whose sum is σ = 134319135600. Its totient is φ = 22378845696.

The previous prime is 67148052427. The next prime is 67148052487. The reversal of 67148052438 is 83425084176.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921595 + ... + 991782.

It is an arithmetic number, because the mean of its divisors is an integer number (8394945975).

Almost surely, 2^67148052438 is an apocalyptic number.

67148052438 is an abundant number, since it is smaller than the sum of its proper divisors (67171083162).

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

67148052438 is a wasteful number, since it uses less digits than its factorization.

67148052438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919231.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 67148052438 in words is "sixty-seven billion, one hundred forty-eight million, fifty-two thousand, four hundred thirty-eight".