67157615382 has 128 divisors (see below), whose sum is σ = 164287388160. Its totient is φ = 18026634240.

The previous prime is 67157615381. The next prime is 67157615417. The reversal of 67157615382 is 28351675176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67157615381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2302969 + ... + 2331947.

It is an arithmetic number, because the mean of its divisors is an integer number (1283495220).

Almost surely, 2^67157615382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67157615382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82143694080).

67157615382 is an abundant number, since it is smaller than the sum of its proper divisors (97129772778).

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

67157615382 is a wasteful number, since it uses less digits than its factorization.

67157615382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29118.

The product of its digits is 2116800, while the sum is 51.

The spelling of 67157615382 in words is "sixty-seven billion, one hundred fifty-seven million, six hundred fifteen thousand, three hundred eighty-two".