67151438932 has 24 divisors (see below), whose sum is σ = 118818273672. Its totient is φ = 33204144000.

The previous prime is 67151438929. The next prime is 67151438933. The reversal of 67151438932 is 23983415176.

It can be written as a sum of positive squares in 4 ways, for example, as 1535542596 + 65615896336 = 39186^2 + 256156^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67151438933) 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, 247182 + ... + 442042.

It is an arithmetic number, because the mean of its divisors is an integer number (4950761403).

Almost surely, 2^67151438932 is an apocalyptic number.

It is an amenable number.

67151438932 is a deficient number, since it is larger than the sum of its proper divisors (51666834740).

67151438932 is a wasteful number, since it uses less digits than its factorization.

67151438932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195819 (or 195817 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The spelling of 67151438932 in words is "sixty-seven billion, one hundred fifty-one million, four hundred thirty-eight thousand, nine hundred thirty-two".